Fringe (2008–2013)
3 user 6 critic

What 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.


Deran Sarafian


J.J. Abrams (created by), Alex Kurtzman (created by) | 2 more credits »




Episode cast overview, first billed only:
Anna Torv ... Olivia Dunham
Joshua Jackson ... Peter Bishop
Lance Reddick ... Phillip Broyles
Blair Brown ... Nina Sharp (credit only)
Jasika Nicole ... Astrid Farnsworth
John Noble ... Dr. Walter Bishop
Geoff Pierson ... Arnold McFadden
Demore Barnes ... Agent Hubert
Conrad Coates ... Vincent Ames
Natassia Malthe ... Linda
David Richmond-Peck ... CSI Detective Kassel
Jason Bax Jason Bax ... CDC Suit
Brendan Beiser ... Steve
Chris Casillan Chris Casillan ... Science Center Worker
Peter Grasso Peter Grasso ... Hazmat in Truck


When a man enters an office in Boston for a meeting, he becomes disoriented and collapses, only to have his veins erupt and spray blood everywhere. Shortly after Olivia and Peter arrive at the scene to investigate the bizarre case, it's discovered that a lethal virus - with deep ties to something very valuable - is spreading, so the CDC moves in to quarantine the building and eradicate the pathogens. Isolated inside with the rest of the exposed office employees, Peter and Olivia face life-threatening circumstances, sending Walter, Broyles and Astrid on a frantic search for a solution to save them. Written by FOX Publicity

Plot Summary | Plot Synopsis


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Did You Know?


The clips for this episode spell out: WINDOW See more »


The US Army helicopter seen (N69PH, 1969 Bell 206B s/n 1884) could not actually be a military aircraft. Military aircraft do not have N-number registrations. See more »


[first lines]
Bike Courier (Kristian Haas): Whoa, whoa, hold on.
Vandenkemp (Nicholas Von Zill): What floor?
Bike Courier (Kristian Haas): Sixteen.
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Features Forbidden Planet (1956) See more »


End Title Theme (Composed by Michael Giacchino)
Written by Michael Giacchino
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User Reviews

Deadly Virus
14 February 2017 | by claudio_carvalhoSee all my reviews

In Boston, a man enters an oil company building and when he reaches the reception, his arteries dilates and he sprays blood on several employees. Olivia and Peter investigate the case and soon they learn that the man was murdered by a deadly virus. The CDC arrives and locks the building in quarantine. Soon Dr. Bishop learns that the lethal virus is from the Ice Age and together with Astrid, he tries to find a means to identify and destroy the virus. Soon the infected people including Peter are identified and have to stay in the building. But soon Walter discovers that the virus changes the behavior of the victim that tries to leave the quarantine to spread and the CDC director shows a study of how the pandemic would propagate. Further, the only way to restrain the outbreak is killing the infected people in the building.

"What Lies Below" is a tense episode of "Fringe'. The friendship of Olivia that risks her life to save Peter and Broyles that compares his agents to his family are great. Dr. Bishop's comment about Peter intrigues Astrid and she probably will try to find the truth. My vote is eight.

Title (Brazil): "What Lies Below"

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Release Date:

21 January 2010 (USA) See more »

Company Credits

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Technical Specs


Sound Mix:

Dolby Digital



Aspect Ratio:

1.78 : 1
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