A man seems to be having visions of Pattern-related terror attacks before they occur. The team, led by Dr. Bishop, discovers that he is receiving signals from the Ghost Network, an otherwise undetectable frequency range on which the masterminds are communicating. Among the attacks is a collapse of the Birmingham Bridge in Pittsburgh. With his [...]

A mysterious cylinder emerges from beneath the Earth in New York City, so Broyles enlists the trio of Olivia, Dr. Bishop and Peter to investigate the significance of the object. However, others also seek it, including a bald man known as the Observer who only watches events as they unfold and another willing to kill [...]

The team discovers a man with the uncontrolled ability to affect electrical energy, made the way he is by a scientist performing illegal experiments on humans. With the help of carrier pigeons modified to track the man’s electromagnetic signature, the team manages to track him down and arrest the scientist. Meanwhile, Olivia begins seeing visions [...]

A woman with a rare disease, “Bellini’s lymphocemia,” is kidnapped and given a nootropic drug that makes her brain emit a microwave burst, killing her and the patrons of a diner she stumbles into. When the team investigates, they find that another woman with the same rare disease has been kidnapped. After talking to the [...]

Agent Mitchell Loeb (Chance Kelly), a friend of Broyles collapses on assignment, his heart being constricted by an engineered parasite which is slowly working its roots into his circulatory system. To find a cure, Olivia must talk to David Robert Jones (Jared Harris), a biochemist held incommunicado in Frankfurt, Germany. Problems arise when David demands [...]

The abduction of a young musician is highlighted by a sequence of flashing lights which causes the boy’s father to be hypnotized into a suggestive state and upon ‘waking up’ does not have any memory of what happened while hypnotized. Similar cases have ended with the victim being returned, but left insane from the trauma [...]

Massive Dynamic employee jumps out of a window when he believes he is being attacked by butterflies. Olivia’s connection with John Scott leads her to breaks in the case, but she becomes fed up with his manifestations and decides to return to the sensory deprivation tank to rid herself of them. Meanwhile, Peter’s past catches [...]

Agent Dunham investigates a body trapped inside a wall in a bank. He turns out to be a member of Mitchell Loeb’s team, who uses the technology he obtained in “The Equation” to engineer a string of bank robberies, targeting safe deposit boxes Walter used to hide a teleportation device. He succeeds in recovering the [...]

Olivia’s former adversary, Sanford Harris (Michael Gaston), conducts a formal review of the Fringe division. Olivia manages to free herself from her abductors. She, along with Walter and Peter, investigates the murder of an epidemiologist, who is killed by a chemical which creates a giant, slug-like single cell of acute viral nasopharyngitis in his stomach. [...]

The trio investigates the deaths of a teenager and a car salesman whose brains have been liquefied after watching a video sent to their computers. All of the victims are connected to a computer programmer who has lost his job. The murderer then sends the video to Olivia’s laptop, almost killing her niece Ella, before [...]