6:02 AM EST

S3E20 • Apr 22, 2011 • Runtime TBD

The beginning of the end is triggered when Walternate finds a way to wreak havoc “over here."

Episode details

Episode: S3E20

Aired: Apr 22, 2011

Runtime: Runtime TBD

Director:

Jeannot Szwarc

Writer:

Graham Roland

Guest stars:

Ryan McDonald Seth Gabel Kevin Corrigan Heather Doerksen Don Ackerman Forbes Angus Richard Ian Cox Matt Ellis Gigi Friedman Jennifer Koenig

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