Chuck: Season 3, Episode 13

3 - 13: Chuck Versus the Other Guy

Shaw is emotionally devastated after he finds out that Sarah murdered his wife. He goes off with Sarah, who is completely unaware. Chuck assembles a strike team to rescue her, and although Shaw does not cause Sarah any harm, things get complicated when the team infiltrates the Ring's headquarters in an attempt to capture the director. Morgan leaves the Buy More again, this time hoping to become a part of Team Bartowski. A shocking revelation occurs when Morgan sees surveillance footage from the team's mission in the headquarters, and notices that a fight between Shaw and some Ring operatives appears to be staged. Casey is reinstated by General Beckman. Shaw is shown to have defected to the Ring, and when he tries to kill Sarah, Chuck shoots Shaw and kills him.