Walter discloses to Peter, Astrid and Etta that September had created a plan to defeat The Observers in the future, but he partitioned Walter's memory to protect the info ...

Harvard is now a secret observer installation. But Walter remembers a secret entrance that will give him access to his lab and perhaps a way to recover his plan to rid th ...

After piecing together the videos of Walter's plan Olivia, Peter, Walter and Etta head to rural Pennsylvania to retrieve essential materials for the plan. There they enco ...

Buying a gift for Etta proves risky for Peter and draws unwanted Observer interest. Walter discovers the whereabouts of the second component to the Observers' downfall an ...

As Walter fears Peter and Olivia losing themselves over Henriett's death, Peter heads down a road of revenge, brutally interrogating a captured Observer to understand the ...

While Peter and Olivia grieve the loss of Etta, Walter retrieves tape #7 and alone heads to an apartment building in a derelict zone to find an essential component of the ...

As Walter notices unattractive changes in himself from his brain restoration (leading him to make a startling request of Nina Sharp), Olivia notices changes in Peter - no ...

With Peter obsessively stalking Capt. Windmark and manipulating his future, Olivia sets out alone to fetch the next needed item to defeat the Observers - a scrapyard-stre ...

Astrid awakes during the night to a signal from the radio brought from the pocket universe. She tries to decode the signal, but Walter is tripping after dropping black bl ...

Walter, Olivia, Peter and Astrid do not succeed to contact Michael and they decide to ask for help to Nina Sharp at the Ministry of Science. She takes them to a secret la ...

Walter uses the deprivation tank to explore the vision of September and find where he is. Walter finds that he is in Brooklyn, in New York, and he goes with Peter, Olivia ...

Captain Windmark secretly brings Michael to a facility in the Liberty Island to interrogate the boy. He goes to 2069 to ask his superior to destroy the boy but he is aske ...

September asks December to bring an initiating reactor to complete the time machine. Then he meets Walter, Peter, Olivia and Astrid and explains how the device works. Pet ...