Sylar goes to the Company and inadvertently releases 12 super-powered criminals in a fight with Elle. Future Peter tries to fix his mistake. Angela takes over the company. Claire learns more about her powers. Hiro and Ando travel to Paris to track down the speedster who robbed them. Maya discovers that Mohinder’s injection has changed him. Matt meats Usutu, an African with a familiar power.
Ronon and McKay join Dr. Keller on an off-world errand of mercy, and must track her through the forest when a Runner kidnaps her.
The town’s mayoral race is disrupted when Zoe’s science partner inadvertently causes a second sun to appear over Eureka.
Olivia, along with Peter and Walter Bishop, investigates the strange death of a woman who had an even stranger child. The woman was pregnant for only hours, yet the baby she birthed was fully developed – and also aged eighty years in the span of a few minutes. Olivia asks Nina Sharp of Massive Dynamic for help.
Michael and the others track another cardholder to a consulate. T-Bag arrives in LA and runs into Michael and Lincoln. Wyatt also makes it to LA, in an effort to locate Sara. Bruce’s body is discovered.
Teyla goes in disguise as a Wraith queen when Todd agrees to make a bold proposal to the leader of his alliance — not realizing that he has other intentions.
When all the passengers on a plane die, FBI agent Olivia Dunham investigates the events and her partner almost dies. A desperate Olivia looks for help from Dr. Walter Bishop who has been institutionalized. Olivia, Dr. Bishop and his son Peter begin to discover what really happened on Flight 627 and begin to uncover a larger truth.
A mysterious “superhero” who can walk through walls is causing a ruckus in Eureka. Meanwhile, Zoe and her friends become stranded with Zane Donovan in an abandoned subterranean facility.
Michael attempts to track the cardholder and avoid going back to prison.
Wyatt finds new information regarding Sara’s whereabouts.
T-Bag uses a new identity to make a new life for himself.
Sheppard and Beckett join a team investigating a hidden Wraith laboratory where Michael has been conducting genetic experiments.