Sarah Lisa Bartowski (f/k/a
Walker) is the alias of one of the main characters of the television show
Chuck on
NBC. She is portrayed by
Yvonne Strahovski and is one of two agents assigned by the
NSA and
CIA to protect
Chuck Bartowski after he unwittingly downloads the secret government computer known as
the Intersect into his brain. In the Season 4 finale, "
Chuck Versus the Cliffhanger", Chuck and Sarah were married, dismissed from government service, and given ownership of Volkoff Industries, with which they bought the Burbank Buy More and the secret Castle base thereunder. During the final three episodes of season 5, Sarah gets her memories suppressed due to a faulty Intersect upload, the signs of recovery from which are exhibited throughout the final episode.