17 Sep. 2009A New Day in the Old Town
Olivia is in a car accident, an unusual person is looking for a member of the team, and Walter makes plans for celebrating Peter's birthday.
24 Sep. 2009Night of Desirable Objects
Olivia and Peter investigate a series of strange disappearances. Olivia hears and sees things from the alternate Universe but fails to realize Charlie isn't really Charlie.
1 Oct. 2009Fracture
The Fringe division investigates the explosion of a police officer. Olivia starts having visions about her experience on the other side.
8 Oct. 2009Momentum Deferred
Walter analyzes the body of a shapeshifter and then reconnects with an old patient that has the ability to distinguish the people from the other world. Olivia finally recalls her encounter with Belly.
15 Oct. 2009Dream Logic
People who once had sleeping problems but were cured by having a biochip inserted in their brain suddenly start to die. Walter suspects the chips were accessed by someone who used mind control.
5 Nov. 2009Earthling
Strange deaths by a mysterious shadow leads the Fringe Team to the scene where they learn that a Russian astronaut was possessed by an alien and his brother is convincing Dr. Bishop to solve the equation to free him.
12 Nov. 2009Of Human Action
The Fringe team investigate a child that is supposed to have mind control abilities. Peter is kidnapped and controlled by him. Walter is extremely worried and afraid he might lose Peter again.
19 Nov. 2009August
Peter and Olivia look into the latest appearance of an observer, other than September, that kidnaps a young woman. August prevents her from getting on a plane that would crash.
3 Dec. 2009Snakehead
Walter examines some bodies that have been infected with unusual worms. Olivia and Peter run an investigation after speaking with a survivor. Meanwhile Walter demands more independence from Peter.
10 Dec. 2009Grey Matters
Olivia and Peter look into some patients of mental institutions that regain their mental state after having gone through a brain intervention performed by a shape-shifter named Newton. This is directly related to Walter and his brain.
11 Jan. 2010Unearthed
A teenager comes back from the dead possessed by a military soldier who's gone missing. Walter does an experiment so that the Fringe team can find the sailor's murderer.
14 Jan. 2010Johari Window
Following an unexplained attack, the Fringe team visits a small town where a population of disfigured humans have hidden themselves - and they'll do anything to keep it that way.
21 Jan. 2010What Lies Below
After a man spreads a pathogen on the grounds of a company, the Fringe team start an investigation. While stuck inside the quarantine zone, Peter and Olivia try to identify the origin of the pathogen. Outside, Walter tries to find a cure.
28 Jan. 2010The Bishop Revival
A man uses a toxin to target specific groups of people. Walter finds out that the toxin was created by his father in Berlin, long before DNA was even discovered.
4 Feb. 2010Jacksonville
An earthquake from the other side is being felt on our Universe as well. Furthermore, the only survivor seems to be from the alternate Universe. Walter attempts to get Olivia "recover" her ability to make out things from the other side.
1 Apr. 2010Peter
Walter flashes back to 1985 while explaining Peter's otherworldly origins to Olivia. Also, Peter's mother is introduced, and details of the neighboring world reaffirms that there is more than one of everything.
8 Apr. 2010Olivia. In the Lab. With the Revolver
The Fringe team investigate a series of mysterious deaths caused by cancer that seems to have been transmitted by touch. Olivia realizes the perpetrator is after the kids who were part of the Coretexiphan trials.
15 Apr. 2010White Tulip
The Fringe team investigate a train full of people who died in a mysterious way. Olivia and the others then meet the astrophysicist who was responsible for the "experiment" and who can reset the time.
22 Apr. 2010The Man from the Other Side
The body of a male teenager is found along with shapeshifter marks. Walter examines the embryo of a shapeshifter, that came from the alternate Universe. The team try to anticipate the shapeshifters' next moves.
29 Apr. 2010Brown Betty
Walter has just smoked a drug that he calls "Brown Betty" when Olivia arrives at the laboratory to leave Ella with Astrid. The girl asks Walter to tell a story and he creates a detective story where the Fringe Division are the characters.
6 May 2010Northwest Passage
Peters stumbles across Newton and his people while running away from Walter and the FBI. He teams up with the local sheriff to try and find Newton.
13 May 2010Over There: Part 1
Olivia and William Bell rescue Walter from the hospital. Then Olivia meets her double, who is a dangerous woman, trying to find Peter; however they fight but Olivia subdues her. Olivia poses as her double to lure Charlie and convinces Peter to return. Meanwhile Walter and William bring a piece of equipment from Walter's laboratory in Harvard to the theater to let them return to their universe. However, the FBI and the Fringe Division also arrive and there is a shootout. Will Olivia, Walter, Peter and William Bell return to their universe?