A New Day in the Old Town
Olivia returns to William Bell's intriguing parallel universe, while Peter, unknowingly in a race against time, pursues information about her visit.
Night of Desirable Objects
As the circumstances surrounding Olivia intensify, the Fringe team investigates a perplexing case involving genetic mutation. A highway construction worker in rural Pennsylvania goes missing when he is mysteriously drawn into an underground tunnel filled with human remains. Meanwhile, Walter attempts to simulate travel between realities on frogs in the lab. When it's discovered that the disappearance in Pennsylvania is not an isolated incident, the Fringe team travels to the crime scene to unearth evidence.
Peter, Walter, Olivia and Broyles pursue a strange and deadly occurrence in Philadelphia where a bomb blew up inside a train station but left no trace of any explosive device. The perplexing and unexplained set of circumstances returns Walter to the lab to closely examine the human remains, where he uncovers an unlikely energy source that triggered the explosion. With the explosive threat of more bombs and links to a classified military project, the intense investigation leads Olivia and Peter to Iraq.
Recuperating from the traumatic and alarming meeting with Massive Dynamic founder William Bell, Olivia consumes a potent "fringe" concoction that Dr. Bishop prescribes to stimulate her memory. Meanwhile, the Fringe Division investigates a series of robbery cases tied to shape-shifting. As clues are tracked and memories are jogged, another woman experimented on by Dr. Bishop is introduced and a flashback reveals more about Olivia's visit to the alternate reality.
The Fringe team travels cross-country to Seattle after learning of a mysterious incident involving a man who attacked his boss because he believed he was an evil ram-horned creature. As these puzzling occurrences continue, the team tirelessly explores strange and creepy links to dreams. Finally, in pursuit of additional information, Agent Broyles has a disconcerting meeting with enigmatic Massive Dynamic executive Nina Sharp that leads the investigation in an unthinkable direction.
Dark circumstances flummox the Fringe Division as the Fringe team takes on a puzzling investigation where victims are inexplicably disintegrating into ash. The shadowy case casts light on Special Agent Phillip Broyles' past and leads the team to the possibility of a foreign Fringe Science. Emotions run high as the alarming events stack up and revealing personal details emerge about the leader of the Fringe Division.
Of Human Action
When a kidnapping rapidly escalates into a hostage situation in New York, local authorities close in on the suspects only to discover a mysterious force with mind-blowing consequences. As the investigation intensifies, the mystery and threats deepen to unimaginable proportions when the Fringe Division discovers a link between the kidnapping and Massive Dynamic.
There's more than one Observer! When one of the series' mysterious Observers kidnaps a woman, the Fringe team is called in to investigate why. But while the course of their investigation reveals the private lives of the Observers, it also threatens to unearth Walter's clandestine involvement with them years before -- a secret he's desperate to keep from his son, Peter. So, as destiny is irrevocably rewritten and time is running out, the renegade Observer asks for help from the unlikeliest of sources -- Walter Bishop.
After a cargo ship runs aground, the shoreline becomes littered with bodies hosting a giant squid-like creature. The Fringe team descends upon the scene to examine the bodies and discover that the mysterious organisms are giant parasites. As the investigation unfolds, Walter heads back to the lab -- while Olivia, Peter and Broyles race against time when they realize the case has ties to a threatening organization.
A Fringe investigation is triggered when a patient at a mental institution undergoes an impromptu brain surgery that unexpectedly exposes his brain. Despite the unthinkable circumstances, the patient's condition and sanity miraculously improve before the Fringe team arrives. While Agent Dunham and Peter scan surveillance tapes and Walter enjoys his pudding, Olivia recognizes a familiar face as Thomas Jerome Newton, the leader of the shape-shifters." As similar cases stack up, the Fringe team heads back to the lab to determine exactly how patients are being cured. Finally, Walter's brain is put to the test, and William Bell resurfaces.
Following an unexplained attack involving disfigured humans, the Fringe team visits Edina City, a small town in upstate New York, to uncover leads surrounding the bizarre case. Unfortunately, the investigation turns an unexpected turn when it's determined that these disfigured people have managed to hide for a while and will do just about anything to keep it that way.
What Lies Below
When a man enters an office in Boston for a meeting, he becomes disoriented and collapses, only to have his veins erupt and spray blood everywhere. Shortly after Olivia and Peter arrive at the scene to investigate the bizarre case, it's discovered that a lethal virus -- with deep ties to something very valuable -- is spreading, so the CDC moves in to quarantine the building and eradicate the pathogens. Isolated inside with the rest of the exposed office employees, Peter and Olivia face life-threatening circumstances, sending Walter, Broyles and Astrid on a frantic search for a solution to save them.
The Bishop Revival
When a specific group of guests at a wedding in Brookline, Massachusetts, suffocate from the inside out, the disturbing crime scene has the Fringe team investigating how the toxin was delivered and targeted. As evidence is taken into the lab, it's discovered that the wedding ceremony was a testing ground for a weaponized science experiment. Adding to the intense lab investigation, Walter uncovers an alarming formula that reveals a link to a branch on the Bishop family tree. With the escalating threat of more deadly attacks and unexpected familial ties to the case, the Fringe team stops at nothing to prevent further catastrophic events.
After a violent tremor shakes a Manhattan office building to its core, only one survivor is found, leading the Fringe Team to believe he is not from this reality. Walter surmises that what shook the building was not geologic but something discovered in his research with William Bell many years ago. With another catastrophe imminent, the team races to Jacksonville -- the site of Walter and William's experiments, to help Olivia reconnect with her past to save hundreds of people from certain death.
While explaining Peter's otherworldly origins to Olivia, Walter flashes back to 1985, and the mystery springs forward by revealing the past. Also, Peter's mother is introduced -- and details of the neighboring world reaffirm that there is, in fact, more than one of everything.
Olivia. In the Lab. With the Revolver.
When a perfectly healthy woman is found dead from a disease she never had, the Fringe team investigates the origin of this inexplicably fatal condition before it claims more innocent victims. Meanwhile, Olivia struggles to keep Walter's secret from Peter -- and her loyalty to Peter is tested as time goes on.
When passengers aboard a commuter train appear to have died a still death, it seems that a switch was flipped -- because all cell phones, MP3 players, laptops, batteries and human bodies have been drained of power. As the Fringe team assembles at the crime scene, Peter remains suspicious that something is amiss with Walter, who is struggling to keep an unimaginable secret. Finally, the investigation leads them to Alistair Peck, a very powerful man with tremendous energy and severe consequences, and an ironic set of circumstances surfaces.
The Man From the Other Side
When two teenagers on a date turn up "dead" at an abandoned warehouse with three puncture wounds to the soft palate -- a trademark of the alternate world's shape-shifters -- the Fringe team investigates the evidence and the motives of mastermind Thomas Jerome Newton. Upon discovering a shape-shifting embryo, Walter returns to the lab to conduct further analysis -- and Olivia and Peter head to Massive Dynamic for answers. Meanwhile, Peter reveals a family secret to Olivia as Walter struggles to recall what Newton knows about "building a door."
Singing and dancing occur when Walter explores his mind! While Walter deals with some very upsetting news, he tells Olivia's niece Ella a fairy tale that includes unexpected musical performances by Olivia and Agent Broyles.
Peter teams up with a local law enforcement official, Sheriff Mathis, on a serial murder investigation with ties to Thomas Jerome Newton. Meanwhile, Walter copes with the possibility of being sent back to St. Claire's -- and someone from the "other side" pays a visit.
Over There: Part One
In the first of a two-part, two-night second season finale, Walter and Olivia travel to the parallel universe, and the anticipated face-off between Walter Bishop and William Bell finally occurs.
Over There: Part Two
In the second of a two-part season finale, sacrifices will be made, and both universes may never be the same again after Walter and Olivia visit the "other side."
In the Season Three premiere, a disoriented Olivia fights to find her way home, while Peter and Walter try to move on with their lives unknowingly alongside the alternate Olivia.
Key information about the future is revealed when Walter and Nina meet at Massive Dynamic for the emotional reading of the last will and testament of William Bell.
Timing is critical as a series of anomalous events lead the Fringe Division to investigate deadly incidents with unimaginable coincidences.
Do Shapeshifters Dream of Electric Sheep?
Newton is forced to call a sleeping shapeshifter to action. As Walter and the rest of the team move the investigation to Massive Dynamic, Olivia goes on high alert.
The alternate universe Fringe Division investigates a shocking breach of security when a twin frees his brother from a quarantined Amber area.
The Fringe Division (over here) investigates a bizarre case when 15 people all suffer retrograde amnesia from listening to their shortwave radios on the same frequency
When a serial kidnapper “over there” strikes again, the familiar case hits home for Colonel Broyles, who sends a determined Olivia to investigate the abductions.
Peter grapples with the aftermath of recent events as Olivia desperately searches for an ally. Meanwhile, the Team discovers a critical device that communicates between universes.
The alternate Fringe division faces new challenges. When a victim has his heart extracted, it’s just the beginning of a series of mysterious reanimation events. Meanwhile, Peter comes to terms with his relationship with Olivia.
In the midseason premiere, an Observer makes contact with the Fringe Team to help rectify a mistake. Meanwhile, Walter befriends one of his musical heroes.
When the Fringe Team visits Massive Dynamic’s assembly of doomsday devices, Walter becomes concerned for Peter’s well-being -- so he turns to Nina for help.
Concentrate and Ask Again
The Fringe team investigates an intense case when a scientist falls dead after ingesting a lethal cloud of blue powder, and his bones disintegrate in his body. Astrid gets an unexpected visit from her alternate self.
The Alternate Fringe team investigates a bioterrorist armed with an insect that has a taste for human flesh. Walternate discovers a line he will not cross.
A series of Fringe events leads the team to the home of a woman grieving over the death of her husband while Peter and Olivia try to repair the emotional rift between them.
The team revisits the past in this follow-up to last season’s “Peter” flashback episode that reveals a poignant period of time for both the Bishops and Olivia.
The Fringe Team investigates a group of thieves who can break the laws of gravity, and Peter finds the case familiar. Meanwhile, Walter attempts to delay the damage he’s caused to the fabric of the universe.
When the Alternate Fringe Team investigates an apparent suicide victim, they uncover a second set of fingerprints, leading them to a woman with uncanny characteristics that cannot die.
The intensity of life “over there” accelerates as Olivia finds herself in mortal danger. Walter travels to the Alternate Universe to help Broyles.
Lysergic Acid Diethylamide
In this mind-bending episode, the story jumps ahead to 2036 when the Fringe team strikes back against the Observers in a game-changing battle. The team makes a desperate, experimental attempt to remove William Bell’s consciousness from Olivia’s body before she’s lost forever.
6:02 AM EST
The beginning of the end is triggered when Walternate finds a way to wreak havoc "over here," -- putting both universes in jeopardy.
The Last Sam Weiss
A case of spontaneous combustion forces Walter to revisit his painful past, while the Fringe team faces off against David Robert Jones to save the world -- or worlds.
The Day We Died
The Fringe team is pushed to their breaking point as they desperately attempt to prevent a catastrophic event threatening the lives of everyone. Questions will be answered as Peter confronts his destiny and a beloved team member meets an untimely demise.
Neither Here nor There
One week after Peter Bishop saved the day and was then wiped from existence, the truce between the two worlds remains intact and the two sides are forced to work together.
One Night in October
A highly intelligent serial killer "over there" forces the two Fringe teams to work together as the killer's doppelganger "over here" is brought into the fold to help.
Alone in the World
The Fringe team investigates a mysterious case of murder and rapid decomposition, uncovering an amorphous figure claiming more victims. Walter’s distracted by hallucinations.
When Olivia discovers a dangerous force connected to Walter’s past, she forces him to leave the lab for the first time in years and come face-to-face with the demons of his past.
In the aftermath of recent shocking events, things really escalate when the translucent shapeshifters return. As the threat grows, a former Massive Dynamic scientist joins the team.
And Those We've Left Behind
A pair of married scientists help the Fringe team uncover a pattern within deadly time loop anomalies.
Investigating a man’s death by an invisible force, the Fringe team discovers a serial pattern and evidence that links the predator to someone dead of an unknown genetic disorder.
Back to Where You've Never Been
Trying to find a way home, Peter confronts Walternate on the Other Side - a which proves more dangerous than expected. Meanwhile, Olivia receives a dire warning from an Observer.
Enemy of My Enemy
Peter’s visit to the Other Side intensifies as the alternate Fringe division faces off against a formidable new foe in a harrowing race against time.
Olivia continues to cope with the ominous warning from the Observers, while Peter and the team track a girl with the mysterious ability to see the future and predict death.
Our Astrid gets an unexpected visit from her Alternate, while Peter and Olivia track a killer using a toxin that has yet to be invented. Both universes collide in a case that pushes the boundaries of what is possible.
Welcome to Westfield
Peter, Olivia and Walter come face-to-face with a mysterious and terrifying Fringe event as they become trapped in a town there’s no escaping from.
A Better Human Being
As the Fringe team investigates a mentally ill patient who appears to be connected to a series of murders, frightening clues and connections are uncovered that lead Olivia to some shocking revelations.
The End of All Things
Peter and the Fringe team take extraordinary measures in an attempt to stop pivotal, life-threatening events from unfolding.
A Short Story About Love
Following the recent shocking revelations and emotional events, Peter weighs his options as the Fringe team investigates a killer targeting love.
Nothing as It Seems
The Fringe team faces a case that appears familiar to Peter. Strangely, it takes place in this world, and not the other one.
Everything in Its Place
Lincoln travels to the other side to join forces with Bolivia and his own alternate, as they search for a vigilante with a surprising connection to the shapeshifters.
Walter travels to the Alternate Universe to assist in the investigation of a Fringe event with ties to both worlds. Meanwhile, David Robert Jones reveals his next target.
Letters of Transit
The Fringe tradition of a mind-bending 19th episode continues as the Fringe team goes back to the future. Jumping ahead to 2036, the Fringe team and the Observers engage in a game-changing battle.
The Fringe teams on both sides fight for a common cause as the Cortexiphan children surface with some shocking new developments.
Brave New World: Part 1
A mysterious Fringe event causing spontaneous human combustion forces Walter to revisit his painful past. Meanwhile, the Fringe team faces off against David Robert Jones to save the world -- or worlds.
Brave New World: Part 2
In the climactic conclusion of the two-part episode, the Fringe team is pushed to their breaking point as they desperately attempt to prevent a catastrophic event that threatens the lives of everyone.
Transilience Thought Unifier Model-11
Peter , Walter, and Astrid, after being recovered by Etta, begin to adjust to the Observer-controlled world of 2036.
Walter attempts to use the Transilience-Thought Unifier to relocate the plan to defeat the Observers within his brain. Olivia contemplates if he may have written the plan down. The Fringe team considers breaking into Walter's old lab.
Walter and Astrid use the makeshift laser to recover another tape from the ambered part of the lab. The contents point to a location in northwest Pennsylvania, though the instructions for what to do there are garbled.
The Bullet That Saved the World
While Peter is out collecting gas, he stops in a pawn shop, looking for a necklace to replace the chain they had to use previously from Etta's old necklace. He encounters an Observer that attempts to read his mind.
An Origin Story
Peter and Olivia mourn the loss of their daughter Etta to the Observers, and Olivia in particular is shaken up and nearly unresponsive. They prepare to leave Etta's safe house, where Peter finds a hidden stash of guns and more antimatter bombs.
Through the Looking Glass and What Walter Found There
Peter, after injecting the Observer implant in his body, returns to Etta's safe-house to mourn. Olivia reminds him they should deal with Etta's loss together. Meanwhile, Walter continues to work at extracting video tapes from the ambered part of the lab.
The team retrieves another cassette tape from the amber. With Nina Sharp's help, the team recovers two cylinders. While Peter works independently to score a minor victory against the Observers, Olivia ascertains Peter's secret.
The Human Kind
Following the bread crumbs, Olivia collects a truck with a cargo from a scrap yard, but has ran into bounty hunters. Peter with new gained powers has to make a decision.
Walter Bishop opens Pandora's Box. He finds a young Observer once he has hidden in the Pocket Universe.
Young observer remains muted. The team seeks Nina Sharp's help to understand him, but the mission is compromised.
The Boy Must Live
Young Observer's origin is revealed. And his existence and an additional time travel are necessary to change the history of Observers' invasion.
As the Observers evaluate Michael and begin to learn of his abilities and potential, Olivia embarks on a dangerous quest to rescue him.
An Enemy of Fate
As the Observers close in Walter and September desperately work to complete the plan but one obstacle after another hinders their progress.