Season 4 Episodes

Episode Guide

Brave New World, Part 2

Season 4, Episode 22 - Air Date: 5/11/2012
Episode Guide

Brave New World, Part 1

Season 4, Episode 21 - Air Date: 5/4/2012
Episode Guide

Worlds Apart

Season 4, Episode 20 - Air Date: 4/27/2012
Episode Guide

Letters of Transit

Season 4, Episode 19 - Air Date: 4/20/2012
Episode Guide

The Consultant

Season 4, Episode 18 - Air Date: 4/13/2012
Episode Guide

Everything In Its Right Place

Season 4, Episode 17 - Air Date: 4/6/2012
Episode Guide

Nothing As It Seems

Season 4, Episode 16 - Air Date: 3/30/2012
Episode Guide

A Short Story About Love

Season 4, Episode 15 - Air Date: 3/23/2012
Episode Guide

The End of All Things

Season 4, Episode 14 - Air Date: 2/24/2012
The team takes drastic measures to prevent life-threatening events.
Episode Guide

A Better Human Being

Season 4, Episode 13 - Air Date: 2/17/2012
As the team investigates a mentally ill patient who seems to be connected to a series of murders, frightening clues and connections lead Olivia to a shocking conclusion.
Episode Guide

Welcome to Westfield

Season 4, Episode 12 - Air Date: 2/10/2012
Olivia, Peter and Walter face a terrifying Fringe event as they find themselves unable to escape a town.
Episode Guide

Making Angels

Season 4, Episode 11 - Air Date: 2/3/2012
Astrid meets her alternate; Olivia and Peter search for a killer who is using a toxin that has yet to be invented.
Episode Guide

Forced Perspective

Season 4, Episode 10 - Air Date: 1/27/2012
Olivia copes with an ominous warning from the Observers; Peter and the team track a girl with the ability to predict death.
Episode Guide

Enemy of My Enemy

Season 4, Episode 9 - Air Date: 1/20/2012
The alternate Fringe division faces a new adversary in a race against the clock.
Episode Guide

Back To Where You've Never Been

Season 4, Episode 8 - Air Date: 1/13/2012
Olivia and Lincoln struggle to deal with the translucent shapeshifters and help Peter get home; an event that hasn't occurred since the universes were linked takes place over there.
Episode Guide


Season 4, Episode 7 - Air Date: 11/18/2011
The team investigates the case of a man who turned white after being killed by an invisible force; Olivia has migraines.
Episode Guide

And Those We Left Behind

Season 4, Episode 6 - Air Date: 11/11/2011
The team searches for a pattern between tragic time loop anomalies; an electrical engineer (Stephen Root), his wife (Romy Rosemont), and a professor become involved with the investigation.
Episode Guide


Season 4, Episode 5 - Air Date: 11/4/2011
As the threat escalates with the return of translucent shapeshifters, a former Massive Dynamic scientists gets involved; Nina Sharp visits Walter in the lab.
Episode Guide

Subject 9

Season 4, Episode 4 - Air Date: 10/14/2011
Walter's experiments with a new drug result in a dangerous force; Olivia and Walter examine old case files in New York; Walter struggles with life outside the lab.
Episode Guide

Alone in the World

Season 4, Episode 3 - Air Date: 10/7/2011
The Fringe team investigates when the bodies of two 12-year-olds are found in an advanced state of decomposition just hours after bullying another boy; Walter grows more and more distracted by hallucinations.
Episode Guide

One Night in October

Season 4, Episode 2 - Air Date: 9/30/2011
When a serial killer "Over There" starts piling up victims, the Fringe Division gets involved with the investigation.
Episode Guide

Neither Here Nor There

Season 4, Episode 1 - Air Date: 9/23/2011
Lincoln Lee joins the team as they investigate a shapeshifter case that he is personally invested in.