Chuck's new abilities with the upgraded Intersect prove to be problematic in spy training and creates conflict with Sarah.

Things are turned upside-down when Carina pays a visit with her fiancé. A lie told by Morgan complicates matters.

Chuck needs Awesome's help to protect a dictator who is targeted for assassination.

Chuck must show Captain Awesome how to be a spy when he is targeted by an evil agent. Morgan's promotion to Assistant Manager changes his relationship with Jeff and Lester.

Shaw sends Chuck on a solo mission to Paris, over Sarah and Casey's protests, where Chuck meets a beautiful woman and flashes on an assassin en route. Morgan gains an unexpected ally in dealing with Jeff and Lester at the Buy More.

Chuck trains a new Nerd Herder and deals with an asset with ties to The Ring. Devon gets nervous about covering for Chuck when Ellie gets suspicious of his work.

Shaw sends Chuck and Hannah on a mission, forcing Sarah to work with him. Morgan and Ellie team up to find out information regarding Chuck.

Chuck's plans to cook dinner for Hannah, Ellie, and Devon are interrupted when he has to pose as an assassin. Sarah vows to keep her relationship with Shaw professional.

Chuck is taken off active duty when he has problems trying to use the Intersect and is put in imminent danger without Sarah's and Casey's help.

When a job Casey performs for his former commander lands him in jail for treason, Chuck and Sarah must come to the rescue. Devon has to scramble to keep Chuck's secret from Ellie when she wins a fellowship grant.

Sarah and Shaw must grade Chuck on his last test before officially becoming a CIA operative.

When Chuck has to select a partner for an important undercover mission, Casey, Devon, and Morgan conspire to make sure he chooses Sarah.

Morgan considers quitting the Buy More. Chuck, Sarah, and Shaw go after the Ring operative who killed Shaw's wife.

Chuck and Sarah encounter enemy spies while on a train trip through Europe and must rely on the CIA's newest team for help: Casey and Morgan.

Casey's patience is tried when he has to train Morgan to be an agent, while Chuck and Sarah learn from a successful but splintered married team of spies.

A series of disturbing dreams compels General Beckman to send Chuck to see a psychiatrist. Anna Wu comes back to the Buy More.

Chuck's father returns when he finds out Chuck uploaded the new Intersect. Chuck enlists the help of Morgan on a new mission.

Casey goes undercover to protect his daughter from The Ring, Big Mike receives some shocking news regarding the Buy More, and Chuck's father becomes the team's only chance of survival against The Ring.

Casey goes undercover to protect his daughter from The Ring, Big Mike receives some shocking news regarding the Buy More, and Chuck's father becomes the team's only chance of survival against The Ring.