Season 4, Episode 1 Chuck Versus the Anniversary

First Aired: September 20, 2010

Season 4 opens with Chuck engaging in a sweeping quest to find his mother (Linda Hamilton), all while keeping the rogue mission a secret from his sister. Meanwhile, Sarah and Casey journey to Russia to probe a mysterious organization and its operative (Dolph Lundgren); and Ellie breaks big news to the family. Olivia Munn and Harry Dean Stanton also guest star.

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