Season 2, Episode 13 What Lies Below
First Aired: January 21, 2010
Walter, Broyles and Astrid scramble for answers when Peter and Olivia become trapped in a Boston office building that's been quarantined by the Centers for Disease Control because of a deadly virus.
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- Premiered: September 9, 2008
- Rating: TV-14
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- Premise: The passengers aboard Flight627 have died under mysterious circumstances. As FBI begins investigations, they soon realise that this was only the beginning of a greater calamity. (more)