Fringe

In the second season premiere, Olivia returns to William Bell's intriguing parallel universe, while Peter, unknowingly in a race against time, pursues information about her visit.

As the circumstances surrounding Olivia intensify, the Fringe team investigates a perplexing case involving genetic mutation.

Unexplained bombs put innocent lives on the line and the FBI's Fringe Team in a race against time to defuse the mysterious threat.

Recuperating from her alternate reality meeting with William Bell (LEONARD NIMOY), Olivia consumes a powerful "fringe" concoction that Walter prescribes to stimulate her memory.

As the Fringe team tirelessly explores a mysterious incident involving a man whose strange and creepy dreams project nightmarish events, Agent Broyles has a meeting with Nina Sharp.

A shadowy case casts light on Agent Broyles' past and leads the team to the possibility of foreign Fringe Science – as alarming events mount and details emerge about Broyles.

A disconcerting kidnapping rapidly escalates into a hostage situation in New York, as the Fringe Division discovers a mysterious force with mind-blowing consequences.

There's more than one Observer! When one of the series' mysterious Observers kidnaps a woman, the Fringe team is called in to investigate why.

After a cargo ship runs aground, the Fringe team investigates a mysterious parasitic organism when the shoreline becomes littered with bodies hosting a giant squid-like creature.

Dr. Walter Bishop's braininess takes on a new meaning when the Fringe team investigate impromptu brain surgeries - and William Bell (LEONARD NIMOY) resurfaces.

A resurrected girl with unexpected ties to a missing soldier requires some fringe intervention in a special unearthed episode from the first season.

Following an unexplained attack, the Fringe team visits a small town where a population of disfigured humans have hidden themselves - and they'll do anything to keep it that way.

Investigating a lethal virus, Peter & Olivia become isolated inside a quarantined building and face life-threatening circumstances - while the rest of the team tries to save them.

Investigating a lethal toxin that was unleashed on a wedding ceremony as a weaponized experiment, Walter uncovers an alarming formula that reveals a link to the Bishop family tree.

When a violent tremor shakes a Manhattan office building and only one survivor is found, Walter surmises that its cause is rooted in his research with William Bell many years ago.

While explaining Peter's otherworldly origins to Olivia, Walter flashes back to 1985 where Peter's mother (guest star ORLA BRADY) is introduced.

When a healthy woman is found dead from a disease she never had, the Fringe team investigates the origin of this inexplicably fatal condition before it claims more lives.

When passengers aboard a commuter train are found completely drained of power, the Fringe Team investigates another bizarre case with deadly consequences.

Thomas Jerome Newton is back - and so is evidence of the alternate world's shapeshifters. Peter reveals a family secret while Walter struggles to discern Newton's motives.

While Walter deals with some very upsetting news - he tells Olivia's niece, Ella (LILY PILBLAD), a fairy tale that includes musical performances by Olivia and Agent Broyles.

Peter teams up with a local law enforcement official on a serial murder investigation with ties to Newton. And someone from the "other side" pays a visit.

Walter and Olivia venture into the alternate world for the anticipated face-off with William Bell (special guest star LEONARD NIMOY) in the first of a two-part season finale.

In the second of a two-part season finale, sacrifices will be made and both universes may never be the same again after Walter and Olivia visit the "other side."