Season 5, Episode 7
Airing: December 23, 2011
Chuck Versus the Santa Suit
The holiday season turns frosty when past secrets and old threats haunt Chuck and Sarah while they hunt for an evil schemer who's trying to destroy Carmichael Industries. Meanwhile, Ellie's perfect Christmas gets derailed; and a computer virus jeopardizes Christmas at Buy More. Comic-book figure Stan Lee guest stars
