Watch Season 4 Full Episodes Online
Season 4, Episode 21 - Air Date: 5/4/2012
Watch Episode OnlineWalter must revisit his past this week when a mysterious event threatens the world. It's part one of the season four finale.
Season 4, Episode 20 - Air Date: 4/27/2012
Shocking developments come to light about the Cortexiphan children on this episode of Fringe.
Season 4, Episode 18 - Air Date: 4/13/2012
When a Fringe event affects both worlds, Walter travels to the alternate universe to help. David Robert Jones picks his next target.
Season 4, Episode 17 - Air Date: 4/6/2012
Lincoln Lee visits the Alternate Universe to assist on a case.
Season 4, Episode 16 - Air Date: 3/30/2012
A Fringe cast is familiar to Peter on this episode, but it's brand new to everyone else.
Season 4, Episode 15 - Air Date: 3/23/2012
Peter tries to decide what to do about Olivia this week, while a killer is out and about, targeting love.
Season 4, Episode 14 - Air Date: 2/24/2012
This is a significant episode of Fringe, as Peter and the team take extraordinary steps to prevent life-threatening events.
Season 4, Episode 13 - Air Date: 2/17/2012
The Fringe team investigates a series of murders on this episode, "A Better Human Being."
Season 4, Episode 12 - Air Date: 2/10/2012
Peter is trapped in a mysterious town on Fringe this week, while Olivia barely escapes from a collapsing building.
Season 4, Episode 11 - Air Date: 2/3/2012
Astrid receives an unexpected visit this week, while Peter and Olivia go after a murderer equipped with a toxic, dangerous weapon.
Season 4, Episode 10 - Air Date: 1/27/2012
Olivia is distracted this week by a warning from the Observers, while Peter assists with the search for a mysterious girl.
Season 4, Episode 9 - Air Date: 1/20/2012
A new adversary makes his presence felt on this episode of Fringe. He shows up during Peter's visit to the other side.
Season 4, Episode 8 - Air Date: 1/13/2012
Peter confronts Walternate on the first Fringe episode of 2012. Olivia, meanwhile, learns of a dire premonition.
Season 4, Episode 7 - Air Date: 11/18/2011
The Fringe team looks into a couple mysterious deaths and their connection to an unknown genetic disorder this week. Olivia also suffers some major headaches.
Season 4, Episode 6 - Air Date: 11/11/2011
Stephen Root guest stars on this episode of Fringe. Read on for a recap of the latest Fringe episode.
Season 4, Episode 5 - Air Date: 11/4/2011
"Novation"
Arye Gross comes on board this week as a scientist. Read on for our latest Fringe recap.
Season 4, Episode 4 - Air Date: 10/14/2011
It's off to Massive Dynamic in New York this week for Walter and Olivia. That's a big step for the former.
Season 4, Episode 3 - Air Date: 10/7/2011
Aaron Bird guest stars this week as an infected boy. Walter takes a special interest in the case.
Season 4, Episode 2 - Air Date: 9/30/2011
The body count rises Over There as the result of a serial killer this week. The the murderer's alternate identity takes the case Over Here.
Season 4, Episode 1 - Air Date: 9/23/2011
A lot has changed on Fringe. The season four premiere picks up in the wake of season three's shocking revelation about Peter.
Total Videos: 20
Walter: It's a beautiful name. Astrid: What is? Walter: Astrid.
