FBI Special Agent Olivia Dunham, brilliant but formerly institutionalized scientist Walter Bishop and his scheming, reluctant son Peter uncover a deadly mystery involving a series of unbelievable events and realize they may be a part of a larger, more disturbing pattern that blurs the line between science fiction and technology.
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see all options Availability data: JustWatch
- Seasons
- 5
- Episodes aired
- 100
- Latest aired
- S05E12
- Total runtime
- 3d 3h
Timeline when each season aired
- Season 1 September 2008 – May 2009 20 episodes
- Season 2 September 2009 – May 2010 23 episodes
- Season 3 September 2010 – May 2011 22 episodes
- Season 4 September 2011 – May 2012 22 episodes
- Season 5 September 2012 – January 2013 13 episodes
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S04E01 Neither Here Nor There
September 23 · 44min find the promo
Show synopsis
Just 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. Lincoln Lee joins the Fringe team as they investigate a shapeshifter case that is very personal to him.
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S04E02 One Night in October
September 30 · 43min find the promo
Show synopsis
As the victims of a highly intelligent serial killer "Over There" stack up, the Fringe Division "Over Here" is asked to assist. As the two sides tangle and innocent people remain at risk, the suspect's doppelganger "Over Here," a professor who teaches Forensic Psychology, is brought into the fold and forces the team to consider the notion of sending civilians to the other side
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S04E03 Alone in the World
October 7 · 44min find the promo
Show synopsis
Two young bullies are found dead and in just a few hours they rot to an advanced state of decomposition. The Fringe team investigates and uncovers an amorphous figure claiming more victims. Walter becomes increasingly distracted with his mental state.
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S04E04 Subject 9
October 14 · 44min find the promo
Show synopsis
Olivia uncovers a dangerous force that may be connected to past experiments with Cortexiphan. The investigation forces Walter to leave the lab for the first time in years and travel to Massive Dynamic to examine old case files. Walter struggles with his emotional state as he confronts the demons of his past.
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S04E05 Novation
November 4 · 43min find the promo
Show synopsis
Olivia and the others of Fringe division attempt to determine the origin of Peter Bishop, who purports himself as Walter's son who had died as a young boy in the original time line.
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S04E06 And Those We've Left Behind
November 11 · 44min find the promo
Show synopsis
The Fringe team must find the pattern between tragic time loop anomalies. As the investigation unfolds, Raymond, an electrical engineer, and his wife Kate, a professor of theoretical physics, enter the picture.
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S04E07 Wallflower
November 18 · 44min find the promo
Show synopsis
When a man mysteriously dies by an invisible force, his body rapidly begins turning ghostly white. The Fringe team learns that this is not an isolated incident, and there’s evidence that links the predator to someone who passed away with an unknown genetic disorder. Meanwhile, Olivia suffers from migraines.
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S04E08 Back to Where You've Never Been
January 13 · 44min find the promo
Show synopsis
In an effort to find a way home, Peter journeys to the Other Side to confront Walternate. However, his venture proves more dangerous than expected. Meanwhile, Olivia receives a dire premonition from an Observer.
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S04E09 Enemy of My Enemy
January 20 · 44min find the promo
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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.
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S04E10 Forced Perspective
January 27 · 44min find the promo
Show synopsis
Olivia continues to cope with the ominous warning from the Observers, while Peter and the team track a girl with the mysterious ability to predict death.
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S04E11 Making Angels
February 3 · 44min find the promo
Show synopsis
Over Here 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.
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S04E12 Welcome to Westfield
February 10 · 44min find the promo
Show synopsis
Peter, Olivia and Walter come face to face with a mysterious and terrifying Fringe event as they get trapped in a town that there’s no escaping from.
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S04E13 A Better Human Being
February 17 · 44min find the promo
Show synopsis
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.
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S04E14 The End of All Things
February 24 · 44min find the promo
Show synopsis
The dying Observer comes to see Walter and Peter, who must take extreme measures to learn what secrets he hides and determine if he knows where Olivia is. Meanwhile, David Robert Jones tries to force Olivia to use her cortexiphan abilities by torturing Nina.
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S04E15 A Short Story About Love
March 23 · 44min find the promo
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Following the recent shocking revelations and emotional events, Peter weighs his options as the Fringe team investigates a killer targeting love.
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S04E16 Nothing As It Seems
March 30 · 44min find the promo
Show synopsis
The Fringe team faces a case that appears familiar to Peter. Strangely, it takes place in this timeline.
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S04E17 Everything in Its Right Place
April 6 · 44min find the promo
Show synopsis
Lincoln travels to the other side to join forces with Fauxlivia and his own alternate, as they search for a vigilante with a surprising connection to the shapeshifters.
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S04E18 The Consultant
April 13 · 43min find the promo
Show synopsis
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.
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S04E19 Letters of Transit
April 20 · 44min find the promo
Show synopsis
The Fringe team goes back to the future as the story jumps ahead to 2036, when the Observers and the Fringe team engage in a game-changing battle.
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S04E20 Worlds Apart
April 27 · 44min find the promo
Show synopsis
The teams on both sides fight on for a common cause, and there are shocking developments tied to the Cortexiphan children.
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S04E21 Brave New World (1)
May 3 · 43min find the promo
Show synopsis
Walter is forced to revisit his painful past when a fringe event causes people to spontaneously combust; the team faces off with David Robert Jones.
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S04E22 Brave New World (2)
May 11 · 44min find the promo
Show synopsis
The Fringe team is pushed to the breaking point as they desperately attempt to prevent a catastrophic event that threatens the lives of everyone.