Fringe Season 3 Episode Guide
Season 3 has 22 episodes, from September 23, 2010 to May 6, 2011. Descriptions stay brief and spoiler-light.
Episode 1: Olivia
Airdate: September 23, 2010
Description: After the extraordinary turn of events that shockingly left an imprisoned Olivia stranded in the Alternate Universe, she fights to find a way home.
Episode 2: The Box
Airdate: September 30, 2010
Description: The story alternates to the Fringe Team "over here" where they investigate a mystifying case that people are discovered in a trance-like state that ultimately leads to their death.
Episode 3: The Plateau
Airdate: October 7, 2010
Description: In the Alternate Universe, timing is everything as a series of anomalous events lead Fringe Division to investigate deadly incidents with unimaginable coincidences.
Episode 4: Do Shapeshifters Dream of Electric Sheep?
Airdate: October 14, 2010
Description: Back "over here", Newton is concerned about the consequences of a distressing development involving a high-ranking official, and is forced to call to action a sleeping shapeshifter.
Episode 5: Amber 31422
Airdate: November 4, 2010
Description: In the Alternate Universe, Fringe Division investigates a shocking breach of security when a twin frees his brother from a quarantined Amber area.
Episode 6: 6955 kHz
Airdate: November 11, 2010
Description: Back "over here," Fringe Division investigates a bizarre phenomenon when 15 people up and down the Eastern Seaboard, all suffer retrograde amnesia from listening to their shortwave radios on the same frequency.
Episode 7: The Abducted
Airdate: November 18, 2010
Description: When a serial kidnapper "over there" strikes again, the emotional and familiar case hits home for Colonel Broyles, sending a determined Olivia to uncover additional details about the abductions.
Episode 8: Entrada
Airdate: December 2, 2010
Description: Peter grapples with the aftermath of recent events as Olivia desperately searches for an ally.
Episode 9: Marionette
Airdate: December 9, 2010
Description: When the Fringe Team investigates a case where a victim had his heart extracted, it's just the beginning of a series of mysterious and reanimating events tied together.
Episode 10: The Firefly
Airdate: January 21, 2011
Description: An Observer unexpectedly makes contact with the Fringe Team to help rectify a mistake.
Episode 11: Reciprocity
Airdate: January 28, 2011
Description: When the Fringe Team visits Massive Dynamic's assembly of doomsday device, Walter becomes greatly concerned for Peter's well-being, so he turns to Nina for added brain power to understand the relationship between Peter and the superweapon.
Episode 12: Concentrate and Ask Again
Airdate: February 4, 2011
Description: When a scientist falls dead after ingesting a lethal cloud of blue powder and his bones disintegrate in his body, the CDC suspects a biological attack.
Episode 13: Immortality
Airdate: February 11, 2011
Description: As the story shifts back to life in the Alternate Universe, the absence of Colonel Broyles shifts the dynamic of the Fringe Team as they investigate a bioterrorist armed with an insect that has a taste for human flesh.
Episode 14: 6B
Airdate: February 18, 2011
Description: A series of Fringe events leads the team to the home of a woman grieving over the death of her husband, while Peter and Olivia make an effort to repair the emotional rift between them.
Episode 15: Subject 13
Airdate: February 25, 2011
Description: In a flashback to 1985, Elizabeth Bishop, worried that Peter will attempt to kill himself trying to return to what he believes is his home, takes him to Jacksonville where Walter is conducting Cortexiphan trials on children.
Episode 16: Os
Airdate: March 11, 2011
Description: The Fringe Team investigates a group of thieves who can break the laws of gravity.
Episode 17: Stowaway
Airdate: March 18, 2011
Description: When the Fringe team investigates an apparent suicide victim, they uncover a second set of fingerprints leading them to a woman with uncanny characteristics that cannot die.
Episode 18: Bloodline
Airdate: March 25, 2011
Description: In the Alternate Universe, Olivia is kidnapped and given a dangerous procedure to accelerate the birth of her child.
Episode 19: Lysergic Acid Diethylamide
Airdate: April 15, 2011
Description: Back "over here", Walter and Peter embark on a desperate mission inside Olivia's subconscious mind, in an attempt to remove William Bell's consciousness from Olivia's body before her soul is lost forever.
Episode 20: 6:02 AM EST
Airdate: April 22, 2011
Description: In the Alternate Universe, when Secretary Bishop finally determines a method to refocus the damaging anomalies in his universe onto this one, the beginning of the end for both universes is triggered.
Episode 21: The Last Sam Weiss
Airdate: April 29, 2011
Description: As the disastrous effects of Walternate's plan to destroy our universe start to manifest, Olivia joins forces with the mysterious Sam Weiss in a desperate race against time.
Episode 22: The Day We Died
Airdate: May 6, 2011
Description: After stepping into the machine with the help of Olivia, Peter confronts his destiny, and the team finds itself on unfamiliar ground as the true cost of saving the universe becomes clear.