Chuck Versus the Intersect (S01E01)

When computer geek Chuck Bartowski opens an e-mail subliminally encoded with government secrets, he unwittingly downloads an entire server of sensitive data into his brain and is catapulted into a new career as the government's most vital secret agent. Now, the fate of the world lies in the unlikely hands of a guy who works at a Buy More Electronics store with his best buddy, Morgan Grimes and who lives with his ever-supportive sister, Ellie Instead of fighting computer viruses, Chuck must now confront assassins and international terrorists. With the government's most precious secrets in Chuck's head, Major John Casey of the National Security Agency assumes the responsibility of protecting him. His partner is the CIA's top agent -- and Chuck's first date in years -- Sarah Walker. They'll try to keep him safe by trading in his pocket protector for a bulletproof vest. (Warner Bros. UK)