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Fringe Season 4 Episodes
Season 4 Episode Guide
22 Episodes 2011 - 2012
The fourth season of Fringe finds Peter Bishop (Joshua Jackson) in quite a predicament in the prime universe after he returns from the parallel universe, where he sacrificed himself in order to save both worlds. Neither Olivia (Anna Torv) or his father Walter (John Noble) have any recollection that Peter ever existed. Meanwhile, shapeshifters initiate a reign of destruction upon both universes, leaving prime and parallel worlds to unite against a common enemy.
Episode 1
Neither Here Nor There
Fri, Sep 23, 2011 43 mins
The fourth season begins one week after Peter vanished, and as the two universes maintain an uneasy alliance, Lincoln Lee helps the Fringe team on a shape-shifting investigation that hits close to home.
Episode 2
One Night in October
Fri, Sep 30, 2011 43 mins
The Fringe teams work together when a serial killer "over there" builds an impressive body count, but the case takes an interesting turn after the murderer's alternate identity "over here," a forensic psychologist, is brought into the investigation, which opens up the possibility of transporting civilians from one universe to the other.
Episode 3
Alone in the World
Fri, Oct 7, 2011 43 mins
Two 12-year-old bullies are found dead after tormenting another boy, but the abnormally rapid decomposition of their bodies leads to the Fringe team's discovery of a strange entity and a trail of more victims. Meanwhile, Walter's hallucinations are beginning to take their toll.
Episode 4
Subject 9
Fri, Oct 14, 2011 43 mins
Walter is wary of leaving the sanctuary of his lab for the first time in years when he and Olivia go to Massive Dynamic in New York to study old files after she discovers a powerful force that may be linked to his Cortexiphan experiments.
Episode 5
Novation
Sun, Oct 30, 2011 43 mins
The threatening return of the translucent shape-shifters coincides with the reemergence of a former Massive Dynamic scientist (Arye Gross). Meanwhile, Walter gets a visit in the lab from Nina Sharp.
Episode 6
And Those We've Left Behind
Wed, Nov 9, 2011 43 mins
An electrical engineer (Stephen Root) and his wife (Romy Rosemont), a theoretical physicist, pitch in during a frantic search for a pattern between time-loop anomalies.
Episode 7
Wallflower
Wed, Nov 16, 2011 43 mins
The Fringe team find that the mysterious death of a man—and his corpse turning white—is not unprecedented and may be linked to an unknown genetic disorder. Meanwhile, Olivia is plagued by migraines.
Episode 8
Back to Where You've Never Been
Fri, Jan 13, 2012 43 mins
Peter takes a dangerous journey to the alternate universe to confront Walternate, while Olivia hears an ominous prediction from an Observer.
Episode 9
Enemy of My Enemy
Fri, Jan 20, 2012 43 mins
The alternate Fringe division confronts a powerful new adversary during Peter's visit to the other side.
Episode 10
Forced Perspective
Fri, Jan 27, 2012 43 mins
Olivia is preoccupied by a warning from the Observers, while Peter helps with the search for a girl with mysterious powers to see the future.
Episode 11
Making Angels
Fri, Feb 3, 2012 43 mins
Astrid gets a surprise visit from her counterpart in the alternate universe; Peter and Olivia are on the trail of a killer equipped with a toxic weapon that defies chronological description.
Episode 12
Welcome to Westfield
Fri, Feb 10, 2012 43 mins
Peter, Olivia and Walter are trapped in a town from which there is no escape during a mysterious Fringe event.
Episode 13
A Better Human Being
Fri, Feb 17, 2012 43 mins
A patient with a mental disorder seems to be linked to a series of murders, but the ensuing investigation helps Olivia discover even more surprises.
Episode 14
The End of All Things
Fri, Feb 24, 2012 43 mins
A series of life-threatening events call for extraordinary measures by Peter and the rest of the Fringe team.
Episode 15
A Short Story About Love
Fri, Mar 23, 2012 43 mins
A killer targeting love is investigated by the Fringe team as Peter tries to decide what to do about Olivia.
Episode 16
Nothing As It Seems
Fri, Mar 30, 2012 43 mins
A case is familiar to Peter but brand-new to the rest of the team.
Episode 17
Everything in Its Right Place
Fri, Apr 6, 2012 43 mins
Lincoln goes to the alternate universe to help Fauxlivia and his own doppelganger hunt for a vigilante who may be linked to the shape-shifters.
Episode 18
The Consultant
Fri, Apr 13, 2012 43 mins
Walter goes to the alternate universe to help with the probe of a Fringe event that affects both worlds. Meanwhile, David Robert Jones makes his next target known.
Episode 19
Letters of Transit
Fri, Apr 20, 2012 43 mins
A jump ahead to the year 2036 finds the Fringe team and the Observers as participants in an epic battle.
Episode 20
World's Apart
Fri, Apr 27, 2012 43 mins
The Fringe teams from both worlds are united by a common cause; new developments are linked to the children from the Cortexiphan experiments.
Episode 21
Brave New World
Fri, May 4, 2012 43 mins
Part 1 of 2. Walter reluctantly revisits his painful past after terrifying cases of spontaneous human combustion. Meanwhile, the future of both universes is at stake when the Fringe team faces David Robert Jones in the mother of all battles.
Episode 22
Brave New World
Fri, May 11, 2012 43 mins
In the conclusion of the Season 4 finale, the Fringe team is desperate to prevent a catastrophic event that could cause mass death and destruction.
