"Chuck Versus the Tic Tac" is the tenth episode of the third season of the television series Chuck, airing on March 15, 2010. When Casey's former commanding officer returns, Chuck and Sarah take it upon themselves to clear his name when he is arrested for treason. Meanwhile, Devon and Ellie are at odds over their future when Ellie receives her dream fellowship.

Charles Irving Bartowski is the title character of the American spy show Chuck on NBC. He is portrayed by Zachary Levi. UGO.com named him one of the best TV nerds.