Episode list

After a plane from Hamburg returns with no survivors, FBI agent Olivia Dunham goes after the only person that might shed some light on the incident - a scientist that has been in a mental hospital for the last 17 years.

A woman gives birth to a baby who ages eighty years in just a few minutes. Olivia soon finds connection between the incident and a serial killer she had been chasing.

Following a strange apparent terrorist attack on a bus, Olivia, Peter and Walter find a man who foresees future disasters before they happen.

A strange cylinder which is somehow connected to Walter and a man known as "the Observer" appears from the ground at a construction site.

An elevator crashes, killing a number of people, leading Olivia and the Bishops to a man who appears to unknowingly be able to manipulate electricity.

A number of people in a diner die of radiation exposure and Olivia and the Bishops believe a woman who disappeared two weeks earlier was the source.

An FBI agent experiencing huge pain is brought to a hospital where it is discovered that there is a strange parasite wrapped around his heart.

A young musical genius is kidnapped and Walter recalls a patient at St Clair's who might have been kidnapped by the same people and forced to try and figure out the solution to an equation.

The Fringe division investigate the questionable fall of a Massive Dynamic executive analyst. John helps Olivia crack the case. Peter meets up with an old girlfriend.

After a series of mysterious bank robberies, a suspect is found embedded into a wall, causing Walter to realize that they have not only found a way to literally walk through walls, but are looking for something he's made in the past.

Olivia has been abducted, and Broyles and the Fringe division must investigate her disappearance - while also undergoing an audit by an agent from Olivia's past who bears a major grudge against her.

Two men's brains are liquefied and their only apparent connection is that they both downloaded a huge file before dying.

A man undergoes a painful and ultimately fatal transformation aboard a plane. Meanwhile, Nina Sharp and Broyles reveal more information about John Scott to Olivia.

The team investigates a number of people who died faceless after their orifices are sealed while German agents investigating David Robert Jones' escape question Olivia.

A mysterious child is recovered from a secret chamber that has been sealed for more than a half-century.

A group of animal rights activists are killed in action when trying to flee from a lab animal which doesn't exist in nature.

FBI agent Dunham believes that she is killing random people in her dreams.

Walter examines a number of dead bodies that had the spinal fluid removed. Olivia and Charlie go after the scientist who created the person behind the murders.

The Fringe team investigate a case of spontaneous human combustion. Olivia starts experiencing visions of the alternate Universe. She uses this ability to solve the case.

David Robert Jones comes out of hiding following an attempt on Nina Sharp's life while Walter leaves accompanied by the mysterious Observer.