The BEST episodes of Fringe season 4

Every episode of Fringe season 4, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Fringe season 4!

An F.B.I. agent is forced to work with an institutionalized scientist and his son in order to rationalize a brewing storm of unexplained phenomena.

Last Updated: 4/9/2024Network: FOXStatus: Ended
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Brave New World (2)
star
8.24
7743 votes

#1 - Brave New World (2)

Season 4 - Episode 22 - Aired 5/11/2012

The Fringe team is pushed to the breaking point as they desperately attempt to prevent a catastrophic event that threatens the lives of everyone.

Directors: Joe Chappelle
Watch Now:Amazon
Welcome to Westfield
star
8.05
8131 votes

#2 - Welcome to Westfield

Season 4 - Episode 12 - Aired 2/10/2012

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.

Directors: David Straiton
Watch Now:Amazon
Letters of Transit
star
7.98
7886 votes

#3 - Letters of Transit

Season 4 - Episode 19 - Aired 4/20/2012

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.

Directors: Akiva Goldsman
Watch Now:Amazon
The End of All Things
star
7.97
7795 votes

#4 - The End of All Things

Season 4 - Episode 14 - Aired 2/24/2012

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 Jones tries to force Olivia to use her cortexiphan abilities by torturing Nina.

Directors: Jeffrey G. Hunt
Writer: David Fury
Watch Now:Amazon
Subject 9
star
7.93
8170 votes

#5 - Subject 9

Season 4 - Episode 4 - Aired 10/14/2011

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 travel to Massive Dynamic to examine old case files. Walter struggles with his emotional state as he confronts the demons of his past.

Directors: Joe Chappelle
Watch Now:Amazon
Worlds Apart
star
7.88
7660 votes

#6 - Worlds Apart

Season 4 - Episode 20 - Aired 4/27/2012

The teams on both sides fight on for a common cause, and there are shocking developments tied to the Cortexiphan children.

Directors: Charles Beeson
Watch Now:Amazon
Brave New World (1)
star
7.87
7787 votes

#7 - Brave New World (1)

Season 4 - Episode 21 - Aired 5/4/2012

A mysterious Fringe event causing people to spontaneously combust forces Walter to revisit his painful past while the Fringe team faces off against David Robert Jones to save the world, or worlds.

Directors: Joe Chappelle
Watch Now:Amazon
Back to Where You've Never Been
star
7.86
8307 votes

#8 - Back to Where You've Never Been

Season 4 - Episode 8 - Aired 1/13/2012

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 dire premonition from an Observer.

Directors: Jeannot Szwarc
Watch Now:Amazon
Enemy of My Enemy
star
7.86
8067 votes

#9 - Enemy of My Enemy

Season 4 - Episode 9 - Aired 1/20/2012

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.

Directors: Joe Chappelle
Watch Now:Amazon
A Short Story About Love
star
7.85
8092 votes

#10 - A Short Story About Love

Season 4 - Episode 15 - Aired 3/23/2012

Following the recent shocking revelations and emotional events, Peter weighs his options as the Fringe team investigates a killer targeting love.

Directors: J.H. Wyman
Watch Now:Amazon
And Those We've Left Behind
star
7.85
8432 votes

#11 - And Those We've Left Behind

Season 4 - Episode 6 - Aired 11/11/2011

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 theoretical physics, enter the picture.

Directors: Brad Anderson
Watch Now:Amazon
Novation
star
7.83
8229 votes

#12 - Novation

Season 4 - Episode 5 - Aired 11/4/2011

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.

Directors: Paul Holahan
Watch Now:Amazon
Alone in the World
star
7.81
8163 votes

#13 - Alone in the World

Season 4 - Episode 3 - Aired 10/7/2011

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 victims. Walter becomes increasingly distracted with his mental state.

Directors: Miguel Sapochnik
Writer: David Fury
Watch Now:Amazon
The Consultant
star
7.77
7447 votes

#14 - The Consultant

Season 4 - Episode 18 - Aired 4/13/2012

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.

Directors: Jeannot Szwarc
Watch Now:Amazon
Making Angels
star
7.76
8006 votes

#15 - Making Angels

Season 4 - Episode 11 - Aired 2/3/2012

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 pushes the boundaries of what is possible.

Directors: Charles Beeson
Watch Now:Amazon
A Better Human Being
star
7.76
8243 votes

#16 - A Better Human Being

Season 4 - Episode 13 - Aired 2/17/2012

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 shocking revelations.

Directors: Joe Chappelle
Watch Now:Amazon
One Night in October
star
7.73
7929 votes

#17 - One Night in October

Season 4 - Episode 2 - Aired 9/30/2011

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 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

Directors: Brad Anderson
Watch Now:Amazon
Everything in Its Right Place
star
7.69
7747 votes

#18 - Everything in Its Right Place

Season 4 - Episode 17 - Aired 4/6/2012

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.

Directors: David Moxness
Watch Now:Amazon
Forced Perspective
star
7.67
8310 votes

#19 - Forced Perspective

Season 4 - Episode 10 - Aired 1/27/2012

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.

Directors: David Solomon
Writer: Ethan Gross
Watch Now:Amazon
Neither Here Nor There
star
7.64
8817 votes

#20 - Neither Here Nor There

Season 4 - Episode 1 - Aired 9/23/2011

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. Lincoln Lee joins the Fringe team as they investigate a shapeshifter case that is very personal to him.

Directors: Joe Chapelle
Watch Now:Amazon
Wallflower
star
7.63
8378 votes

#21 - Wallflower

Season 4 - Episode 7 - Aired 11/18/2011

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 evidence that links the predator to someone who passed away with an unknown genetic disorder. Meanwhile, Olivia suffers from migraines.

Watch Now:Amazon
Nothing As It Seems
star
7.57
7826 votes

#22 - Nothing As It Seems

Season 4 - Episode 16 - Aired 3/30/2012

The Fringe team faces a case that appears familiar to Peter. Strangely, it takes place in this timeline.

Watch Now:Amazon