Peter confronts his destiny as he pursues a solution to the crisis that threatens to negate the...
Olivia joins forces with Sam Weiss in a race against the clock to stop the devastation...
Walternate seemingly figures out a way of saving the alternate universe, and receives help from...
The team makes a desperate attempt to remove William Bell's consciousness from Olivia's body...
Alt-Olivia is diagnosed with a dangerous condition that could kill her or her baby during...
The team enlists an FBI agent to help in the case of a woman who seems unable to die despite...
The team traces a gang of thieves that can inexplicably break the laws of gravity, and the...
The team revisits 1985, where a younger version of Peter comes into conflict with his mother,...
The team encounters a grieving widow, and discovers that the membrane separating the two...
The team investigates a bio-terrorist armed with an insect that has a taste for human flesh....
A scientist drops dead after a cloud of blue powder he ingested causes his bones to...
Walter is left worried following the team's visit to Massive Dynamic - home of the doomsday...
An Observer makes contact with the team in a bid to rectify a mistake. Walter strikes up a...
The team investigates a series of mysterious reanimating events, and Peter comes to terms with...
The team discovers a device that communicates between the universes, and as Peter grapples with...
Olivia is sent to the alternate universe to investigate the case of a serial kidnapper, and her...
Olivia's return is eagerly anticipated, and as the chemistry intensifies between alt-Olivia and...
Visions of Peter haunt Olivia as she is subjected to a Walternate experiment. Meanwhile, in the...
Thomas Jerome Newton is forced to wake a shapeshifter as concern grows about a development...
A series of anomalous events leads the Fringe Division to crimes with shocking coincidences,...
The team investigates when a mysterious box transforms people into a trance-like state before...
Peter and Walter try to move on with their lives, unaware they are accompanied by alt-Olivia,...