The team investigates a case involving a bizarre mutation that Peter solved in his original timeline four years ago.
While Peter and Olivia deal with the emotional consequences of the Observer's revelations to Peter about his future, the Fringe team investigates the case of a killer who seems intent on murdering... love.moreless
Magnus and Henry attempt to infiltrate a secret Abnormal testing facility run by Homeland Security and encounter an old friend whose loyalties are once again in question - Nikola Tesla.
Intending to meet with her mysterious new financial adviser, Magnus flies off to a remote African island - only to become embroiled in a dangerous hostage situation. Meanwhile, back at the fort, Will and Henry have their hands full tracking an escaped Steno.moreless
Team Sanctuary comes under fire from a U.N. inspector who threatens to cut off their funding and shut them down - attempting to turn Will against Magnus in the process. Meanwhile, Erika visits Henry, warning him of a potentially dangerous new dilemma.moreless
As Abnormals continue to pour out of Hollow Earth, Team Sanctuary seeks to prevent the Lotus Security Forces from committing "xenocide" - while searching for and worrying about Magnus, who was last seen heading towards Praxis just before it was obliterated.moreless
Walter is forced to leave the lab for the first time in years when he and Olivia go to Massive Dynamic to examine files that may connect one of Walter's Cortexiphan test subjects to a new series of crimes.moreless
In order to prevent him from altering - or destroying - the future, Magnus uses Adam Worth's time portal to pursue him to 1898 London.
The teams on the two worlds work together to solve the case of a shapeshifter, and Agent Lincoln Lee joins his world's team when no one remembers the existence of Peter Bishop.
In part two of the two-part Season 3 opener, Will is still suffering from amnesia concerning his near-death encounter with Kali. However, he continues to be plagued by blackouts and visions - and it appears that sinister elements are intent on "helping" him unlock his memory.moreless