Fringe: Season 4
Fringe Season 4 continues the overarching saga across 22 episodes. As part of Fringe Division, FBI agent Olivia Dunham uses experimental science to unravel the mystery surrounding a series of events. The series began as a traditional mystery-of-the-week series and became more serialized in later seasons. Most episodes contain a standalone plot, with several others also exploring the series overarching mythology. The
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- FBI agent Olivia Dunham uses experimental science as part of Fringe Division to unravel mysteries.
- The series involves a brilliant but formerly institutionalized scientist working alongside the FBI.
- The show features a mix of standalone plots in most episodes and others exploring the overarching mythology.
- The overarching saga continues across multiple episodes involving strange phenomena and investigations.
Season overview
Fringe Season 4 continues the overarching saga across 22 episodes. As part of Fringe Division, FBI agent Olivia Dunham uses experimental science to unravel the mystery surrounding a series of events. The series began as a traditional mystery-of-the-week series and became more serialized in later seasons. Most episodes contain a standalone plot, with several others also exploring the series overarching mythology. The show follows FBI Special Agent Olivia Dunham, brilliant but formerly institutionalized scientist, and other members of Fringe Division as they investigate strange phenomena and question the answers across its run.
Episode Guide
Season 4 Progress Shield
Neither Here Nor There
Sep 23, 2011
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. Lin
One Night in October
Sep 30, 2011
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 a
Alone in the World
Oct 7, 2011
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
Subject 9
Oct 14, 2011
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 trave
Novation
Nov 4, 2011
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
And Those We've Left Behind
Nov 11, 2011
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 theoretic
Wallflower
Nov 18, 2011
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 evidenc
Back to Where You've Never Been
Jan 13, 2012
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 dir
Enemy of My Enemy
Jan 20, 2012
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.
Forced Perspective
Jan 27, 2012
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.
Making Angels
Feb 3, 2012
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
Welcome to Westfield
Feb 10, 2012
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.
A Better Human Being
Feb 17, 2012
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
The End of All Things
Feb 24, 2012
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 J
A Short Story About Love
Mar 23, 2012
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
Mar 30, 2012
The Fringe team faces a case that appears familiar to Peter. Strangely, it takes place in this timeline.
Everything in Its Right Place
Apr 6, 2012
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.
The Consultant
Apr 13, 2012
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
Apr 20, 2012
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.
Worlds Apart
Apr 27, 2012
The teams on both sides fight on for a common cause, and there are shocking developments tied to the Cortexiphan children.
Brave New World (1)
May 3, 2012
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.
Brave New World (2)
May 11, 2012
The Fringe team is pushed to the breaking point as they desperately attempt to prevent a catastrophic event that threatens the lives of everyone.