To get to Zambia to gather leopard DNA and cure the outbreak, the team turns to an animal rights activist to escape the U.S. ahead of the authorities.
Once Mitch tells them that Delavane is working for Reiden, the team try to get their story out via Jamie's friend in the press. Meanwhile, Jackson and Chloe pay Delavane a visit, and Mitch and Abraham deliver the stolen medication to Clementine.moreless
The team goes to an American tourist island in Massachusetts to investigate an outbreak of rats that have already killed the crew of a cargo ship. Meanwhile, Mitch pays Clementine a visit and then prepares to trade the Mother Cell for his daughter's cure.moreless
The team investigate a bear attack in France, and Chloe reunited with her ex-fiancé. Meanwhile, Mitch discovers the next evolutionary step of the mutated animals, while the team prepares to hack Reiden's mainframe after Jamie is accused of Ben's murder.moreless
In Rio, Abraham tries to track down his friends, who are stalling for time with Gustavo. Meanwhile, Jackson and Ben find Jamie after the crash, and set out to find Evan Lee. In France, a woman is subject to a bizarre home invasion.moreless
While Mitch, Chloe, and Abraham travel to Rio de Janeiro to stop the government's bat extermination program, Jackson, Jamie, and Ben try to find a chemist who can connect Reiden to the animal attacks.moreless
The team travels to Mississippi and investigates the wolf attack on the prison. Mitch and Abraham try to capture a wolf, while Chloe, Jackson, and Jamie search the prison and meet FBI agent Ben Shaffer.moreless
While Jackson and Abraham travel to a remote island to find Robert's research, Jamie convinces Mitch to go to New Orleans with her to present the case against Reiden. Meanwhile, wolves launch an attack on a prison, and Gaspald shows Jamie the crime scene in Slovenia.moreless
Jackson rescues Abraham and talks with the local doctor--his mother Elizabeth--who confirms that the lions killed their victims as slowly and painfully as possible. In Slovenia, a British couple adopt a young boy and take him to the circus to see the tigers. And in Paris, Chloe meets with a mysterious man who offers her answers.moreless
Two fatal lion attacks, thousands of miles distant, are the first indications of a threat that could wipe out all humanity.
The Fringe team is pushed to the brink as they try to save every living person from the schemes of Jones' superior.
Walter is forced to relive his past while investigating a series of spontaneous human combustions, while David Robert Jones begins his end game.
The Fringe team on both sides fight a common cause and developments are made regarding the Cortexiphan children.
In the year 2036, a new Fringe team takes on the Observers in a war that will change everything. But to win, they must resurrect a legendary figure from their past, someone who holds the secret to defeating the Observers once and for all.moreless
While David Robert Jones goes after his next target, Walter visits the Other Side to help the team's counterparts with an investigation into a Fringe case that touches on both worlds.
Lincoln teams up with the Other Side and together they investigate a vigilante with a connection to the shapeshifters.
The team investigates a case involving a bizarre mutation that Peter solved in his original timeline four years ago.
While Peter and Olivia deal with the emotional consequences of the Observer's revelations to Peter about his future, the Fringe team investigates the case of a killer who seems intent on murdering... love.moreless
The dying Observer comes to see Walter and Peter, who must take extreme measures to learn what secrets he hides and determine if he knows where Olivia is. Meanwhile, David Robert Jones tries to force Olivia to use her cortexiphan abilities by torturing Nina.moreless
Olivia, Peter, and Walter visit the town of Westfield to investigate a report of Fringe activity, and discover that they are trapped.
While Peter and Olivia investigate murders involving an inexplicable toxin, Astrid and her Other Side counterpart meet for the first time.
While the Fringe team tracks down a girl who can predict the future, Olivia tries to cope with the message given to her by the Observers.
The Fringe Division of the Other Side must deal with both a visit from Peter and a new enemy, who is preparing a worlds-spanning operation to gain the mineral he needs to provide energy for his master plan.moreless
While Olivia and Lincoln try to return Peter home, they try to cope with the looming threat of the transparent shapeshifters. Meanwhile, a traitor is revealed and an old enemy emerges from the shadows.moreless
While Olivia copes with migraines, she and her team investigate an invisible force which kills its victims and causes the body to turn a ghostly white. As they trace the pattern of deaths, the Fringe team realizes that the force is linked to someone who died of an unknown genetic disorder.moreless
An electrical engineer and his wife, a professor of theoretical physics, are involved in a series of time loop anomalies.
The translucent shapeshifters return to plague Fringe division, and a former Massive Dynamic scientist is involved. Meanwhile, Walter meets with Nina Sharp.
Walter is forced to leave the lab for the first time in years when he and Olivia go to Massive Dynamic to examine files that may connect one of Walter's Cortexiphan test subjects to a new series of crimes.moreless
As Walter tries to deal with his hallucinations, the Fringe team takes on a case of two 12-year-olds who died under mysterious circumstances after bullying another boy... and their bodies decompose at a remarkable rate of speed.moreless
Bolivia and her team call upon their counterparts from This Side for help when a serial killer goes on a bloody rampage. They recruit the killer's This Side counterpart, a professor of forensic psychology, and try to transfer him to the Other Side without his knowledge to put together a profile on his other self. However, things soon go out of control when the professor realizes what's going on.moreless