From the moment she's introduced, Sarah is portrayed as a capable chameleon that none of the other characters can fully understand. Her expertise as a spy, combined with a childhood spent running ...

On a sunny day at the North Hollywood Medical Center, is shooting its Season 4 finale (airing Monday at 8/7c on NBC), in which spy and bride-to-be Sarah Walker ( ) is hospitalized — near death ...

Chuck Versus Phase Three: Sarah-Centric Awesomeness! By: Dan Forcella Published: November 23, 2010 · 11:45 AM EDT ...