Season 4, Episode 8 Back to Where You've Never Been
First Aired: January 13, 2012
Peter takes a dangerous journey to the alternate universe to confront Walternate, while Olivia hears an ominous prediction from an Observer.
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- Premiered: September 9, 2008
- Rating: TV-14
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- Premise: A drama with sci-fi elements following the FBI probe of mysterious deaths aboard an airplane that landed at Boston's Logan Airport. But the deaths aboard Flight 627 are only the beginning of the story. Executive producers include J.J. Abrams ('Lost') and h… (more)