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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 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 ...

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 ...

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 ...

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 ...

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 ...

When Olivia and Peter returns to Walter's laboratory, they find that Astrid and Walter are missing. Olivia receives a phone call from Jessica that explains that someone i ...

When more than two dozen people die from spontaneous combustion, the footage shows the responsible, David Robert Jones. However Walter investigate the technology using na ...

Multiple earthquakes are happening simultaneously around both our world and the alt-world. Walter believes he knows what the end game of David Robert Jones is. And, even ...

In the future, the Observers rule and humans that survived the purge serve them. There are still a small number of people fighting for the resistance, and one of them has ...

When both of the two identities of people from the separate worlds experience the same catastrophes from incidents in just one world, the two Fringe teams collaborate. Wa ...

Lincoln, feeling out of place on the team now that Peter is back and Olivia is beginning to forget him, volunteers to take liaison duty for the day, and joins the alterna ...

An incident occurs that bears remarkable similarities to an early case in the original time-line, though there are some notable differences. Olivia's memories of the new ...

The team hunts a killer who seems to be targeting couples - dehydrating the husbands and smothering the wives - with a very unusual motive. Peter and Olivia try to come t ...

Olivia and Nina Sharp are prisoner in an abandoned facility by David Robert Jones. He tortures Nina to force Olivia to use her abilities to activate the lights in a box. ...

Peter convinces Olivia to be examined by Walter since she is retrieving memories from his Olivia, but Walter does not find anything wrong. He believes Peter is influencin ...

When several cars stop working at a road to Vermont, followed by a plane crash, Olivia, Peter and Walter are assigned to investigate. On the return, Walter asks to stop a ...

In the parallel universe, the alternate Astrid crosses the portal and visits Astrid since she has difficulties in social interaction and communication, and Olivia comes a ...

A girl delivers a sketch to a man showing him impaled by a girder. A couple of minutes later, there is an accident at a construction site, and the man is indeed impaled b ...

The alternate Olivia and Lincoln arrest David Robert Jones and bring him to the Fringe Division headquarters. Peter uses his knowledge about the criminal to help to inter ...

Peter convinces Olivia and Lincoln to help him to go to the parallel universe to ask for help to Walternate to return to his timeline since Walter refuses to help him. Th ...

Murders occur in which the victims are initially thought to be albinos, but when the body count reaches four, it seems evident something else is happening and gets the at ...

When a series of time disturbance happens bringing events from 2007 to 2011, the Fringe Division is assigned to investigate. Broyles orders Olivia and Lincoln to bring Pe ...

The shapeshifter Nadine kills a couple searching for some mysterious files. The Fringe Division is assigned to the case and soon they learn she is seeking out the former ...

Olivia is haunted by an energy force that attracts metallic objects and Walter recalls his subject 9 that has the ability for astral projection. They chase the patient Ca ...