Despite being aired as S2E11, "Unearthed" is officially considered a bonus episode outside the series timeline. The episode numbers in this post reflect that position.
Onward...
In S1E4, Walter tells Peter that when he was a child, their car ran off the road and into a frozen lake, and a hairless man saved them.
In S1E20, David Robert Jones attempts to open a portal between universes. Walter knows he's going to Reiden Lake, a soft spot he personally created when he opened a similar doorway in 1985. Describing the incident, he says, "Something was lost to me, Peter. Something precious. I became convinced that if only I could cross over myself, then I could take from there what I had lost here."
In S2E4, Walter's old test subject returns to identify invading shapeshifters, as she can detect those from the other side by a distinctive glow. As she leaves, she sees Peter glimmer. Olivia notices a similar effect upon activating her Cortexiphan abilities in S2E14.
In S2E15, Walter reveals he didn't just open a portal in 1985. After his own son died of a genetic illness, he stepped through, and brought another Peter back. It was then that they fell through the ice and September saved their lives.
In S1E2, Walter asks Olivia to keep Peter's medical records a secret, but she finds nothing to hide.
Walter planned merely to cure this other Peter of the disease which killed his own son before returning him to his rightful parents, but soon realized he could never give him back. He feels the weight of that decision everyday, and when he returns to St. Claire's in S1E8, an imaginary doppelgänger torments him. When Walternate appears in S2E20, he displays the same unique mannerisms as the doppelgänger.
Walter's first words in S1E1 are, "I knew someone would come, eventually." Crossing between worlds caused catastrophic damage. He knew someone would come because he knew it would be traced back to him.
In S1E14, David Robert Jones says a person's molecules seperate and reassemble when teleporting, leading to the bodily deterioration which causes his eye to turn a cloudy white in S1E20. In S2E21, Brandon explains the same process occurs as a result of crossing between universes. Walter rushes to check Peter's eye in S1E1 to ascertain whether he had damaged his body in transit.
In S1E15, Peter recalls an action figure having a scar on the opposite side of its face. Before he crossed over, it likely did.
In S1E10, Walter brings Peter's toys out of storage. Peter asks, "What's with all the toys?"
Walter says, "Oh, these were in my storage. They're your toys, son, from when you were a little boy."
Peter says, "Those aren't mine."
Walter says, "Then I suppose they must be mine..."
He changes the subject, as he had the dead Peter confused with the one he kidnapped.
Similarly, in S2E1, Walter tells Peter he's making a custard for his birthday. Peter says he hates custard, and always has. Walter says he loved it as a boy; he's just forgotten.
In S2E10, Thomas Jerome Newton shows Walter a series of images, using associations to map his brain functions. Upon seeing a bowl of custard, he says it reminds him of Peter.
In S1E4, after Walter is apprehended for stealing the Observer Beacon, he asks Peter, "Have you never taken anything that didn't belong to you because you knew it was the right thing to do?"
Peter says, "This isn't about me."
Walter says, "Maybe it is, Peter."
Later, Walter yells at Peter, "Damn it, don't be like her—like your mother, questioning my judgment!" In S2E18, we learn keeping the secret from Peter led to Elizabeth, the woman he knew as his mother, committing suicide from guilt. Only in S3E15 is it shown that Elizabeth begged Walter to take Peter back, and attempted to condition him to forget his past.
In S2E5, Peter dreams he's lying in his childhood bed. Beside an image of the solar system is a poster saying, "Challenger Mission 11, June 28, 1984". The real Challenger shuttle disintegrated on its tenth mission, but this craft went on to complete another on the other side, which Peter remembers from his childhood.
In S3E15, months after Peter's kidnapping, a telescope is pointed at the sky from his window in the prime universe.
In the dream, Walter enters Peter's room and drags him from his bed, at which point he wakes up. The real Walter nearby says he was talking in his sleep. Peter says he had a bad dream, and Walter was there. Walter asks if he remembers "the rest", and Peter says he doesn't. Earlier in the episode, Peter says Walter taught him to repeat a mantra to avoid remembering these nightmares when he was younger.
In S1E16, Walter mentions Peter suffered from night terrors as a boy.
In S1E10, as Walter sorts through old documents to find a device he hid years prior which David Robert Jones had stolen to escape prison, Peter absentmindedly flips a coin along his fingers. Walter seems pleased, but Peter says it's just a "nervous tic". Walter conveniently recalls the teleportation device he was looking for, which he invented to help Peter when he was ill before, as Walter puts it, he "recovered".
In S1E20, Walter searches for a tool to close Jones' portal to the other side. September gives him a Walking Liberty Half Dollar coin to jog his memory, clean as new. Disturbed, Walter asks September where he found it. The Observer says, "This coin looks similar to the one you are thinking of, but it is from another place. There is more than one of everything."
Walter then finds a tarnished duplicate of the coin stashed in the family's beach house along with the device he was looking for. He gives the shiny coin to Peter, and says that when he was a child, he collected coins to take his mind off his illness. This coin, Walter claims, was his favorite. Peter says he doesn't remember, but picks it up and repeats the trick from S1E10. Walter places the tarnished coin on a grave marked "PETER BISHOP, 1978-1985".
In S2E15, it's shown Walter taught the trick to the young Peter in the prime universe with that same coin just hours before he died.
Meanwhile, the opposite Peter's original mother taught him the technique with an identical coin. He was conditioned to forget, as shown in S3E15, but the muscle memory remained. It becomes a "nervous tic" because, he subconsciously associates the coin trick with the effect they had on him when he was young.
In S2E8, Brandon explains the Observers' ability to travel through time, which explains the coins' appearances in S1E20. The one owned by the deceased Peter became tarnished from sitting in storage for decades, but the one owned by the living Peter from the other side was pulled forward in time by September so he could give it to Walter. Walter recognizes that the tarnished coin belonged to the dead Peter, so he lays that one on the grave, and returns the shiny one to the living Peter.
Anticipating his death, Peter gives his mother in the alternate universe his "lucky silver dollar" in S2E15. Walter arrives to kidnap him, but Elizabeth catches them. Pretending to be her husband, he says he found a cure for Peter's illness. Elizabeth gives Peter back his coin, "for luck". In S3E21, a concussed Peter buys another silver dollar because, "It's [his] favorite, and it always brings [him] luck."
In S4E5, Walter finds prime Peter's coin in storage and flips it along his fingers.
In S1E3, Peter asks Olivia how she started her career in law enforcement. She just says she knew it was what she wanted to do since she was nine. Peter jokes that he wanted to be a Brontosaurus. In S1E6, Olivia says, at age nine, she shot her abusive stepfather to protect her mother. In S2E15, a dinosaur poster in Peter's room in the alternate universe shows he actually was interested in the subject.
When Olivia meets Walter at St. Claire's in S1E1, he complains about the butterscotch pudding. In S1E8, he returns to visit a patient as part of an investigation into the abduction of a young musical prodigy. The patient is eating the butterscotch pudding. Walter then mentions Peter was musically talented as a boy. In S2E15, a guitar and some sheet music appear in the room of the Peter who died.
In S1E1, Walter's birth year is said to be 1946. In S1E4, his father's gravestone says he died in 1944, which doesn't add up. In S2E13, Walter says he altered dates to conceal his father's work against the Germans in World War II. He was nicknamed "The Seahorse". In S5E1, Walter sits in a taxicab with a seahorse trinket hanging from the mirror as he resolves to continue his fight against the Observers, whose regime loosely resembles the Nazis'.
In S2E19, Walter tells Ella a story with a sad ending, so Ella retells it with a happy one. In the apocalyptic future of S3E22, Ella says there are no happy endings anymore.
In S2E10, Walter asks Astrid to retrieve Violet Sedan Chair's debut album from the lab. In S2E17, Peter removes the record from its cover to test a turntable.
In S2E20, Walter picks up the album and listens to a song, this time showing a logo. This logo first appears back in S2E3, on the shirt of Sam Weiss, another apparent fan. There's an extra scene in the box set from S2E22 in which
Peter and Walternate discuss the band. Peter says their music often played in his home growing up, and is surprised to learn that while they produced only one album in the prime universe, they went on to create many more on the other side.
In S3E10, Walter meets the former keyboardist of Violet Sedan Chair, a man named Roscoe. September reveals to Walter that saving Peter caused a chain reaction of events resulting in the death of Roscoe's son and the premature disbanding of the group. In S3E17, the album logo appears as a sticker on Walter's bong. In S4E7, one of the band's songs plays in the lab. A poster of theirs appears there periodically up to S5E13.
When Walter first appears in S1E1, the middle finger of his left hand trembles from anxiety. In S2E10, he displays the same nervous tic before he undergoes a CT scan to determine whether he had been the subject of brain surgery. In S3E14, it returns when he suspects a vortex may form because of him.
In S1E1, Olivia says Walter was incarcerated at St. Claire's in 1991 after his assistant was killed, and he was deemed mentally unfit to stand trial for manslaughter. In S1E12, it's said the assistant, a religious woman named Carla Warren, died in a lab fire. S2E15 reveals she studied the alternate universe with Walter in 1985, and warned him not to cross over, saying, "Some things are not ours to tamper with. Some things are God's." Only in S5E9 is it shown she intentionally started the fire which killed her in an attempt to destroy their research.
When asked if anyone else had access to his work in S1E1, Walter says, "The assistants had bits and pieces... God, I suppose."
As Olivia touches on, Walter is forgetful, emotionally unstable and has a poor sense of space and direction. The hippocampus is responsible for memory, emotion and spatial awareness. We learn in S2E10 that William Bell removed part of Walter's hippocampus. In S2E22, Bell reveals he cut out pieces of Walter's brain because Walter asked him to, because he was afraid of what he was becoming. When Walter is shown with his brain intact in S2E15 and S3E15, and after it is restored in S4E19, these quirks mostly disappear. He becomes colder, like Walternate. When Walter faces his demons in an acid trip in S5E9, the imaginary doppelgänger from S1E8 momentarily returns.
In S2E14, Walter unlocks the door to his old lab, saying he always uses the same combination: 5-20-10. He can't remember its significance. In S3E12, Nina enters the same code to open Bell's hidden safe, attached to which is a note which reads "STAY OUT — THIS MEANS YOU!" In S4E19, the numbers reappear as the access code to Walter's removed brain tissue which Bell removed. In S5E7, Walter unlocks another of Bell's safes with those same numbers, saying Bell always used that code. That explains the significance of the combination which Walter couldn't remember: he and Bell shared it. It explains why it was used to secure the brain tissue Bell removed: Bell stored it. It also explains at whom the message in Bell's safe was directed: Walter
In S1E1, Olivia mentions rumors of Walter taking part in human experimentation. Later, Nina tells Olivia, "You should know what you're getting into, Agent Dunham. I would say this to my own daughter: be careful, and good luck."
In S1E6, Nina implies she's known Walter since before the first Peter died. "You know, you still look just the same as you did when you were a child. Oh, I doubt you’ll remember, but you and I spent a good deal of time together, some of it right here. Your father and I were quite close when we were both much younger. Now I have all kinds of information, Peter, and some of it does me no good."
In S1E14, Olivia is revealed to have been dosed with Cortexiphan as a child. In S1E17, it's revealed Walter conducted those Cortexiphan trials on numerous children. S2E15 shows Nina was intimately involved in Walter and Bell's early research of the other side, which means she would have known about the Cortexiphan kids as well. Nina's maternal affection for Olivia likely stems from a feeling of responsibility for allowing Walter and Bell to experiment on her.
In S2E15, September accidentally prevents Walternate from creating Peter's cure, which causes Walter to do so in his place. Nina attempts to stop Walter from crossing between universes to save the boy, and destroys the vial containing his cure in the process. As a result, Walter must take Peter back to the prime universe to treat him instead. They fall through the ice of Reiden Lake on the way, and September saves their lives. In S3E22, September attempts to correct the timeline and allows Peter to die there instead, as explained in S4E11.
As in this timeline Peter wasn't around to motivate Walter's research into Olivia's interdimensional abilities or prompt his help with her abusive stepfather, she kills her parent, as explained in S4E2, and runs away from the trials, as explained in S4E4. Because this Olivia never inadvertently hopped universes and revealed herself to Walternate in the stressful process of reporting her abuse to Walter, as shown in S3E15, Walternate never experiments on her as happens in S3E1.
Nina's guilt over Peter's death causes her to monitor the troubled girl and adopt her after her remaining parent dies.
Before Walter retrieves Peter from the other side, he tells Carla, "There's only room for one God in this lab, and it's not yours." In S4E22, Bell reveals that Walter, in his grief, devised to a plan to play God and create a perfect universe in the ashes of the connected two.
That's the sort of man Walter was afraid of becoming.
But as we learn in S4E21, when Bell cut the plan from his broken friend's mind, it took root in his own. He fashioned a ship with which to wait out the chaos and preserve life for the new world, just as the biblical Noah created his ark full of animals to wait out the global flood. Back in S2E4, Nina says Bell called the collapsing of universes "the last great storm."
As in the alternate timeline Peter didn't exist to kill David Robert Jones before he crossed into the alternate universe to meet Bell, as happened in S1E20, they joined together on Neogenesis.
To this end, they dose Olivia with Cortexiphan to power their technology, as revealed in S4E7, which also causes her to remember her experiences in the opposite timeline, as revealed in S4E13. This effect first appears in the original timeline where she completed the trials, S2E17, when she recalls Alistair Peck's previous time loops as "déjà vu".
In the original timeline, S3E19, Peter, Walter, and Bell enter Olivia's unconscious mind and find a man bearing a black cross symbol. After Olivia wakes up, she says he's the man who will kill her. Later, in the alternate timeline, S4E21, Walter finds Nanites marked with the same symbol, and recalls that it was Bell's design. In S4E22, Walter is forced to shoot Olivia in the head to prevent Bell's plan. The man in her mind represented Bell, which is why he specifically couldn't recognize Peter, as Peter died as a child in the alternate timeline.
In S4E10, Walter says he and Bell theorized that traumatic events can "ripple backward" in time, and some people are more attuned to it than others, which explains how Olivia foresaw her fate.
After shooting her, Walter removes the bullet and explains that Cortexiphan gives her brain tissue regenerative properties. She wakes up. Olivia also sustains massive brain damage in S2E1, mysteriously recovering in the same episode.
In S4E14, September confirms David Robert Jones is following the same plan in both timelines, which we learn in S4E21 to have been orchestrated by Bell from the start, of which Walter accuses him in S2E22 before backing down. It was in the aim of pitting both universes against each other to create a new one in their wake that Bell helped Walternate create the shapeshifters to infiltrate the prime universe (S2E22), constructed the Vacuum (S2E21), ostensibly as a weapon for Walternate, with which he later attempts to collapse both universes (S4E18), wrote the ZFT manifesto (S1E19) in which he perpetuated the lie that only one universe could survive, encouraging the prime universe to prepare to war (S1E14), and funneled money to the terrorist organization led by Jones which sprung up around it (S1E18), facilitating the activation of Cortexiphan subjects Olivia (S1E14) and Nick Lane (S1E17).
In S1E17, Lane rants that he "blended in" and "wore the blacks and grays" while waiting to be summoned for his purpose in the supposedly inevitable war between universes. Lane appears among the Cortexiphan subjects working for Bell in S4E20, whom he falls back on after failing to coerce alternate Broyles to activate the Vacuum with the promise of treatment for the illness his son acquired in S3E7. Lane believes he's saving his world.
Lane and Olivia's wardrobes appear throughout S1E17, with both comprised of dark clothing, as with the Cortexiphan subject in S4E4. In S3E19, Walter explains that Olivia prefers dark and understated clothing because the drug instills a desire to blend in.
In S1E17, Peter says Lane's abilities work on the principle that, "Reality is both subjective and malleable. If you can dream a better world, you can make a better world."
"Or perhaps travel between them," Walter adds.
In S2E21, Olivia focuses her abilities to travel between universes.
When Olivia first tells John Scott she loves him in S1E1, the light above them flickers. In S4E14, Olivia's telekinetic Cortexiphan abilities are shown to cause lights to act up around her during moments of great emotional stress.
In S3E16, Bell transfers his mind to Olivia's body through "soul magnets" which, as revealed in S3E17, he put in her tea when he brought her to the alternate universe after Jones died in S1E20, as shown in S2E4. He offers her a cup, which she refuses. She becomes disoriented and finds herself with a memory of taking a drink in the interim.
In S1E20, Bell has an oxygen mask in his office. In S4E22, he explains he's dying of cancer, which advanced his shift in perspective.
In S2E22, he sacrifices himself to send the Fringe team back to the prime universe, secretly intending to return in Olivia's healthy body and complete his plan to form a new universe. Before that comes to pass, he dies again in S3E19.
In S3E11, Nina learns that that, years prior, Bell sought out books written from the ancient First People's prophetic manuscript about the Vacuum, introduced in S3E6, which describe the machine as a tool of both destruction and creation. Peter also uses the machine to create an interdimensional bridge to heal both universes in S3E22.
The words "first people" appear in the credits of S2E21.
In S2E2, Nina sends Olivia to Sam Weiss to deal with her trauma from being pulled between universes, saying Weiss helped her after she lost her arm, which we learn in S2E15 happened as she tried to stop Walter from first crossing between universes in 1985, which is why she has the prosthetic first shown in S1E1. Weiss appears too young to have helped Nina then, but in S2E16 mentions he's older than he looks.
Nina reveals in S3E20 that long ago, Bell became close to Weiss for his expertise on the machine and alternate universe, and advised her to do the same. In S3E12, Nina discovers all the First People books' translators' names are anagrams of Sam Weiss. In S3E21, Weiss explains he's the last in a long line of men named Sam Weiss who studied the First People, the first of which unearthed the original manuscript, which is where his knowledge came from.
In S3E22, it's revealed the machine parts, manuscript of the First People, and image of Peter first shown in S2E21 foretelling his interaction with the Vacuum in S3E21 were in fact sent back to prehistoric times by the Fringe team after Bell's death, the activation of the device, and the single remaining universe nearing collapse.
In S4E16, it's revealed the porcupine man from S1E13, chimera from S1E16, and worms from S2E9 were created for the new world. The porcupine man appears in Walter's storage in S5E4, along with the neurostimulator from S1E3, crystalized remains from S2E3, the worms from S2E9, the universe window from S2E15, the doll from S3E12, the shapeshifter device from S4E1, and the ambering device from S3E14.
In S2E10, the shapeshifter Thomas Jerome Newton wears a Massive Dynamic wristwatch, foreshadowing his connection to William Bell, the company's founder.
In S1E20, we learn Jones was fired from Massive Dynamic, and determined to prove himself special to Bell. When Olivia first questions Jones about ZFT in S1E7, he says, "What if someone wanted information from the both of us, you see? Perhaps they’ve orchestrated all of this."
In S4E22, Bell sacrifices Jones, likening the decision to a necessary move in a game of chess.
In S1E17, Charlie gives Olivia Nick Lane's file. On top is a newspaper clipping which reads, "DOPPELGANGERS AMONG US". In S2E1, shapeshifters are introduced, and one of them murders Charlie to take his place.
In S1E1, Charlie tells Olivia, "Job isn't what it was ten years ago. We're supposed to protect a world where one breath of the wrong air can incinerate you from the inside out. How do we protect people when corporations have higher security clearances than we do? When we're not fully briefed on half the things that we're investigating? Y'know, when the truth—the truth is, we're obsolete."
In S2E22, alternate Charlie tells Fauxlivia, "This job isn't what it was ten years ago. We've got alternate universes... It just wasn’t part of my training, y'know? I mean, how are we supposed to fight these people? Truth is, Livvy, this makes me feel obsolete, y'know."
A taxi driver named Henry Higgins encounters and assists both Olivia (S3E1 and S3E7) and Fauxlivia (S3E18). It is revealed Fauxlivia named her son Henry and Olivia named her daughter Henrietta in S3E20 and S4E19, respectively.
In S3E5, it's said that the last thing a person thinks before encased in amber rattles around in their head until they get out. Between seasons 4 and 5, Olivia is trapped in the substance for 21 years. When she gets out in S5E1, she says there was not one moment she didn't think of Etta.
In S1E2, Walter discovers car seat warmers. "I've never seen a feature like this before. It warms your ass. It's wonderful!" He then retrieves his old station wagon from a storage locker. Peter gets it running. In S1E12, while investigating a death at a car dealership, he says, "I wonder if they sell cars here with those seats that warm your ass."
In S5E3, the team finds the station wagon, deteriorated after two decades in the open. Peter once again gets it running.
In S5E11, Walter recalls his very first words to Peter in S1E1: "I thought you'd be fatter."
In S3E15, after Walter brings young Peter to the prime universe, he puts comic books from the alternate universe in his room. In S2E22, when Peter returns to the other side, Walternate gives him an apartment containing these same comic books.
Notable among these comics is that
The Dark Knight Returns, the story which revitalized the Batman franchise in 1986, instead released as
The Man of Steel Returns on the other side. 1992's
The Death of Superman was then written as
The Death of Batman over there. In S4E17, Lincoln mentions Batman, but Fauxlivia doesn't recognize the name, indicating the character fell into obscurity after his death.
In S2E22, when Nick Lane travels to the alternate universe, alternate Lee seems to recognize him. In S4E20, alternate Lane ignorantly approaches prime Lee to offer crucial information about his own counterpart, explaining alternate Lee dated his sister years prior.
In S2E21, an advertisement appears at a bus stop for season 11 of
The West Wing. In S3E18, another advertisement appears on a taxi for season 12 of the show.
In S1E2, the team catches a murderer extracting hormones from the human pituitary glands to treat his own rapid-aging disease. In S3E7, Olivia saves alternate Broyles' son using her fragmented memory of the first incident.
In S1E3, a bus is filled with an amber-like substance in a ZFT-related terrorist attack, killing its occupants. This amber returns in S2E22, where it's used to seal singularities in the alternate universe. In S4E6, Walter uses the alternate universe's singularity testing technology from S2E21, saying the Fringe agents there did a poor job writing the manual.
In S5E13, all the hazardous materials and weapons the team uses to kill Observers were involved in previous Fringe cases they solved. The chemical compound which causes transparent skin is from S1E1. The head-exploding radioactive isotopes are from S1E6. The butterflies are from S1E9. The parasitic slug is from S1E11. The skin growth toxin is from S1E14. The worms are from S2E9. The skeleton disintegrating toxin is from S3E12. The anti-gravity bullets are from S3E16.
In S1E4, September has only a vestigial sense of taste. In S5E11, he reveals that where he's from, non-essential brain functions were sacrificed in favor of greater intelligence. The sense of taste would be one of those functions. The pursuit of intelligence at the cost of all else led to the Observers ruining their world and observing the prime universe to prepare for colonization, first shown in S4E19.
In S2E3,
Raymond Gordon says "they" are observing humanity to prepare for invasion.
September appears in the background of each episode prior to his introduction in S1E4.
The phrase "OBSERVERS ARE HERE" appears momentarily in the credits of S1E1. The second Observer, August, first appears in S2E8 saving a woman named Christine. The other Observers hire an assassin to correct his actions by killing her. In S4E14, it's revealed that they are merely part of the science team, and not suited to violence.
August forces the woman into a car and then starts the engine by pressing his finger to the ignition. In S3E10, September uses the same ability to unlock a car door. Another Observer unlocks another car door in S5E13.
August contacts Walter for a solution to his problem, "because," he says, "you have solved such a matter before. You saw beyond the limitations of your problems."
"Not really," Walter responds. "I just missed my son." He tells August that whatever he does, he "must be prepared to face the consequences."
August sacrifices his life to save Christine. As he dies, September asks him why. He says that he thinks he loves her. In S5E13, December says that Observers develop emotions from living alongside primitive humanity.
In S1E4, a man named John Mosley searches for Observer Beacons using Observer technology and weaponry. His hat also bears the four colored dots associated with the group. However, his eyebrows and tan skin appear to conflict with the idea that he is an Observer himself, as Observers are pale and hairless.
In S4E15, it's revealed the Observers place Beacons to locate specific universes. In S5E11, a hairy September reveals rogue Observers who interfere with the invasion are reverted to regular humans. The glyph of S1E4 is "ROGUE". Presumably, John Mosley was a rogue Observer attempting to prevent the invasion by destroying their method of entry.
In S5E11, Windmark confirms there were twelve members in the original Observer science team. In the S3E22, the team gathers on Liberty Island, but only ten are present. August died in S2E8, but who else is missing? Probably John Mosley.
In S2E15, before September pulls Peter from the icy water, August tells him, "You will have an opportunity to fix this."
In S3E10, Peter asks September his fate. September just says, "It must be very difficult, being a father." In S3E13, we learn Peter got Fauxlivia pregnant. Fauxlivia gives birth to a son, Henry, in S3E18. In S3E22, September rewrites time so Peter died as a child at Reiden Lake, which erases Henry as well. In S4E1, September aborts erasing him. Peter resurfaces in Reiden Lake in S4E4. Only in S4E14 does September reveal to Peter that Henry ever existed, that his birth corrupted the Observers' intended timeline, and that he erased them to correct it before defecting. In S4E19, we learn Peter had a daughter with Olivia before the invasion, and in S5E1 that they lost her in the chaos. In S5E4, she dies in front of him. Being a father certainly was difficult for Peter.
In S5E11, we learn that September also has a son. The child Observer was grown artificially in a maturation tank, but was scheduled for termination when he began to experience anomalous emotional growth. September developed affection for him and secretly hid him underground in the past, which is where he's first discovered in S1E15. This explains their knowing look at the end of that episode. The boy was then adopted and named Michael, after which he and September lost contact for many years. It was during that period September pondered aloud to Peter that being a father must be difficult, as he was prevented from experiencing it himself: a fate he knew they would soon share.
When Walter examines Michael in S1E15, he deduces the air above ground is too oxygen-rich for the boy. He speculates Michael's time in a low-oxygen environment caused him to adjust to those conditions, but in fact September hid him there because it was a place he could survive. In S5E1, it is revealed Observer biology is innately suited to their polluted world's low-oxygen atmosphere. Only in S5E6 is Michael revealed to be an Observer himself.
When Olivia meets the Observer child in S1E15, he arranges M&M's in meaningful patterns to aid her investigation with his empathic abilities. In S5E6, Walter offers him M&M's in a video tape.
Upon saving Peter in S2E15, September says, "The boy is important. He has to live." Walter assumes he's referring to Peter, but in S5E11 September says he was talking about Michael all along, explaining in S5E13 that his fatherly instinct was stirred by Walter's devotion to his son.
The glyph of S1E15 is "WALTER", even though Walter has no clear connection with the case at the time, because he actually inspired September to hide Michael underground in the first place so he could be found.
In S2E8, Walter tells August, "Please don't take my son. Your friend and I had a deal. We had an arrangement. I know what I did was wrong, but—" August cuts him off.
In S1E4, September compels Walter to hide the Observer Beacon from John Mosley. Walter then tells Peter the story of September saving them below the surface of Reiden Lake, as occurred in S2E15, which we learn in S5E11 was the moment September determined to defect from the Observer cause for the sake of his son. "Without speaking," Walter says, "he made it clear that he would need me one day. A return favor, so to speak." He believes hiding the Beacon in S1E4 is that favor, but September's phone call to his superiors shows was still merely following orders.
In S5E1, it's revealed that September contacted Walter with a plan to thwart the Observer invasion. In S5E10, Michael gives Walter his memories of the original timeline, and as revealed in S5E11, shows him that for the plan to work, he has to sacrifice himself to take the boy to safety in the future, to show the scientists who created the Observers that emotions need not be sacrificed for intelligence, to prevent the Observers from ever invading. In S5E13, Walter finally completes the arrangement they made so many years before.
Next I'll talk about
thematic foreshadowing. S2E19's unusual format allows the writers to create some interesting parallels to future episodes.
Walter tells Ella a story in which he and Peter appear as enemies, each requiring a unique mechanical heart to survive. Peter chooses to save himself and allow Walter to die. Ella then revises the story so Peter sacrifices half his heart to Walter so they can live together in peace.
In S3E22, believing only one universe can survive the war, Peter activates the Vacuum to destroy the other side. In the apocalyptic aftermath, Walter and Ella talk about their time at the lab before things went wrong. Standing in the spot where he told that story all those years before, Walter silently realizes that by using the Vacuum, Peter, too, can alter the course of events so as to allow both
universes to live together in peace. Walter convinces him to do so, not knowing that just as in the story, Peter will have to make a sacrifice: himself.
Fictionalized Bell says by taking the mechanical heart, ending Peter's life, a stable door between universes could be created. In S3E22, Peter uses the Vacuum to open a stable door between universes, (temporarily) ending his life.
The fictionalized version of Olivia nearly dies after being sent out to sea in a box before being saved by Peter. In S3E22, the real Olivia dies and is sent out to sea in a casket before being retroactively saved by Peter when he bridges the universes in the past.
Bell is represented by a cartoon character on a screen. In S3E19, Bell appears for an animated sequence in Olivia's mind.
In the story, Bell and Nina are lovers. In S3E12, it is revealed they were in real life too.
In the story, Astrid tells Olivia, "I can't believe you got sucked back into business over true love. You know, that's your problem, isn't it? You're always looking for something that doesn't even exist." Peter is erased from existence in S3E22, one episode after Olivia first says she loves him.
The fictionalized version of the Observers, the "Watchers", are openly hostile to the protagonists. As is shown in S4E19, the real Observers' aim is the colonization of Earth, and the subjugation of humanity.
The Observer Beacons, first introduced in S1E4, are used by the "Watchers" to locate and teleport to Peter's fictional house. In S4E15, September uses a Beacon to locate and teleport to Peter's real house after he is locked out of the universe by the other Observers.
Massive Dynamic works with the "Watchers". After the invasion, Massive Dynamic is converted to the Observers' side.
The scalpel with which the Observer prepares to cut Michael in S5E12 is fictional Massive Dynamic's design, which in the story is used by a "Watcher".
Throughout the story, the song, "The Candy Man" is sung. In S3E7, the alternate universe Fringe team tracks a kidnapper called "the Candy Man".
Fictional Olivia sings "For Once in My Life", after she and Peter save each other's lives. In S3E14, Peter plays the same song on a jukebox when the two of them get a chance to sit down and work things out after Fauxlivia ruins their relationship.
Moving on from S2E19...
Before Olivia meets David Robert Jones in S1E7, Broyles asks her if she has super powers she's not telling him about. Olivia humorously responds, "Maybe." In S1E14, it's revealed Olivia does have powers from the Cortexiphan trials, and David Robert Jones aims to activate them.
In S4E20, Walternate quotes Marcus Aurelius to Walter. He says he survived a war, and spent the rest of his life working for the betterment of his people. He hopes they can do the same. In S5E12, Lincoln says Walternate is still lecturing at Harvard at ninety years old. In S5E13, Walter saves the world from the Observers by banishing himself to the future.
Before Peter fixes Walter's station wagon in S1E2, he says, "You may be able to reanimate dead guinea pigs or whatever, but I can bring anything mechanical back from the dead." In S3E22, Peter activates the Vacuum which had been inactive for 250,000,000 years. Inside Walter's car is a severed right hand in a jar of yellow-orange liquid. Upon seeing it, Peter asks Walter, "Friend of yours?" In S4E19, Walter cuts off the right hand of his oldest friend, William Bell, while he's trapped in yellow-orange amber, to unlock a handprint-protected lock in S5E7.
Also in S1E2, Olivia investigates the case of a woman whose pregnancy was forcibly accelerated, killing her. During the course of the investigation, Olivia has a nightmare in which the same fate befalls her, but it ends before she dies. In S3E18, having gotten pregnant by way of Peter, Fauxlivia learns her pregnancy will kill both her and her unborn son as the result of an inherited illness. Walternate saves her life by accelerating her pregnancy to keep her son alive, to activate the Vacuum and save the alternate universe.
In S3E6, Fauxlivia jokingly calls the Vacuum the "vacuum cleaner". A vacuum cleaner drowns out Fauxlivia's cries as she gives birth to Henry, foreshadowing that he will be erased entirely when Peter activates the Vacuum in S3E22.
Sam Weiss is introduced in S2E2. His name translates to "Sam knows" in German. In S3E21, Sam reveals new information to the Fringe team regarding the Vacuum.
That information leads to Peter activating the machine and dooming both universes before Walter allows him a chance to fix it in S3E22. In S2E22, a chalkboard in Walternate's lab reads, "A DEMON'S TWIST RUSTS," an anagram for "DON'T TRUST SAM WEISS."
On the wall of Walternate's office in S2E21 are three squares colored blue, red, and amber. Blue and red represent the prime and alternate universes respectively, notably in their credits sequences. Amber represents the alternate timeline, notably in the fourth season's credits. In S1E17, Nick Lane's first victim ties three balloons to her stroller, one of each color.
Because the alternate universe is associated with red, Peter is as well. His toothbrush is red, which he tells Walter in S1E6. In S1E20, Peter is framed through a red stained glass window as he drives Walter's station wagon.
In September's first scene, the song "Crazy" plays in the background, concluding with the words, "I'm crazy for loving you," foreshadowing his development of "irrational" emotions.
At the beginning of a chess match, there are two bishops on each side. Bishops from the same side are locked on two seperate sets of squares, unable to interact. Bishops originating from opposite sides can interact as they are locked on the same sets of squares. The two sets of pieces and squares are represented by different colors. This parallels the relationships between the two sets of Bishop men and their worlds.
The story chronologically begins and ends with Walter walking another man's son through a portal to another world because of his genetic defect, but for the opposite reasons. In the first, he sacrifices a world because he's unable to abandon Peter. In the second, he abandons Peter to save a world.
Thanks for reading.
/Fringe The Hazard Suit Hat is a head-slot armor piece from the Hazard Suit Armor set. When worn together with the other pieces from the set, it provides full protection against radiation on the Aberration map.. Alone by itself, it can protect from the lingering cloud left behind by Poison Wyvern and Basilisk's spit absorbing damage before it breaks. 62 Armor Ark Commands/IDs: Cloth Pants, Hazard Suit Shirt, Hazard Suit Pants, Hazard Suit Hat, Hazard Suit Gloves and Hazard Suit Boots... Type, Class / Command I feel like the hazard suit should offer protection against the poison air in the swamp cave on the island. When showing off Aberration, WC stated that they want the new items to have uses on the other maps, not just on Aberration. I just feel like the hazard suit should allow us to enter into the swamp cave without taking damage while offering better armor and durability than scuba and The Hazard Suit Hat, even worn alone, will completely protect the survivor from Poison Wyvern and Basilisk poison gas attacks. It will, however, take significant damage if you remain in the gas cloud for its full duration. In Primitive Plus, the Hazard Suit Armor is crafted and repaired using Leather instead of Congealed Gas Ball making it easier to mass produce without a high cost of ARK: Survival Evolved > General Discussions > Topic Details. TTV.2inverse / Clerify. Jan 15, 2018 @ 2:25am Does the Hazmat Suit lose durability while beeing under the buttom? (Where the Rock Drakes are) So, does it lose durability while beeing in the pink/red zone? Last edited by TTV.2inverse / Clerify; Jan 15, 2018 @ 2:43am. The author of this topic has marked a post as the answer to their Ark item ID for Hazard Suit Hat along with the gfi code, blueprint, and commands to spawn in-game. Quickly find an Ark item you were looking for on ArkItemIDs.org. The Ark item ID and spawn command for Hazard Suit Hat, along with its GFI code, blueprint path, and example commands. There are three ways to spawn an item. You can use the Item ID, the Blueprint path, or the GFI, which is the part of the Blueprint path that contains the Item's name. To spawn an item using the Item ID, use the command: "admincheat GiveItemNum ". The Ark item ID for Hazard Suit Hat and copyable spawn commands, along with its GFI code to give yourself the item in Ark. Other information includes its blueprint, class name (PrimalItemArmor_HazardSuitHelmet_C) and quick information for you to use. ARK ID for Hazard Suit Hat is HazardSuitHelmet. GFI command constructor To use the command provided by this constructor, make sure that you had previously executed enablecheats YourServerPassword . The Hazard Suit Hat, even worn alone, will completely protect the survivor from Poison Wyvern and Basilisk poison gas attacks. It will, however, take significant damage if you remain in the gas cloud for its full duration. In Primitive Plus, the Hazard Suit Armor is crafted and repaired using Leather instead of Congealed Gas Ball (Aberration) making it easier to mass produce without a high
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