A new intersect will be running in 24 hours. What happens to the old one - Chuck? Returning to a normal life, he asks Sarah on their first real date.

The team finds out the real part for the Intersect has been stolen. The team tracks down a legendary agent, who has had experience dealing with female spies. Chuck must learn the art of seduction.

Chuck has problems with Bryce back in town. He's Sarah's "husband" on a mission where Chuck's a waiter. Fulcrum's stolen an encrypted Intersect chip. Bullies monopolize Buy More's game room.

A person from Sarah's past recognizes her, Sarah tries her best to avoid her, but Chuck gets a flash. Now Sarah has no choice but to go to her High School Reunion.

Chuck flashes on a person at the Buy More, he's a nuclear terrorist looking for Jeff. Chuck hangs out with Jeff to discover why he's being targeted. The team will need Jeff's help prevent a nuclear attack.

Chuck meets his Stanford ex Jill, at a conference. Her boss may have a bio weapon open to bidding. Chuck's ordered to date Jill and spy on them. Meanwhile the Buy More's staff gets a CPR test.

Jill thinks, Chuck's seeing Sarah. Chuck, Sarah and John get into Jill's boss's hotel room to find clues on a Fulcrum list. Chuck solves puzzles. A Fulcrum killer is on the loose.

How much can Jill be trusted? Will Fulcrum get the intersect? Can Big Mike save Buy More from thieves? Who's coming to Ellie's Thanksgiving dinner?

Chuck, Sarah and John protect a facility penetrated by John's old martial arts teacher/Sensei, who's now a rogue agent stealing and selling weapons. Who'll be Buy More's employee of the month?

Sarah's father comes for a visit. His latest con involves a sheik with possible terrorist ties. When the sheik shows up, the Team must help her father to pull off the con. Meanwhile Anna makes a suggestion that forces Morgan to consider making more mature decisions, is he ready?

A car crashes into the Buy More, everyone inside, including Ellie and Devon are taken hostage. Chuck does his best to protect everyone. The real goals are not evident, and it will lead to some very hard choices.

Sarah and Casey kidnap an international rock star to see who's behind a plot to murder him. Morgan must pick someone to accompany him backstage to a concert.

A new mission has Chuck and Sarah posing as a married couple and interacting with some odd neighbors. The Buy More crew help Big Mike out after his wife files for divorce.

While helping a depressed Morgan spy on Anna, Chuck flashes on her boyfriend. Jeff and Lester beg Ellie to hire them to play at her wedding.

Chuck gets jealous when Sarah has to get cozy with a suave MI-6 agent to obtain Fulcrum data. Jeff and Lester weasel their way onto the Buy More hiring committee. Morgan starts sleeping at Ellie and Awesome's apartment.

Chuck, Sarah, Casey, and an MI-6 agent go after a man who is involved in Fulcrum's development of a new Intersect.

Chuck encounters a scientist that may be able to remove the Intersect from his head, but the cost may be too steep. The Buy More crew take on their snobbish Beverly Hills counterparts.

General Beckman sends a new agent to assess Sarah's relationship with Chuck. Morgan, Jeff, and Lester use any and all means to crash Awesome's bachelor party.

Chuck tracks down his long-lost father and gets a job working for one of his idols, not knowing what the job has in store for him.

To locate his father, Chuck must trust someone who has betrayed him in the past, and the Buy More crew scramble to head off Emmett's evaluations.

Casey is ordered to pursue Chuck and Sarah, who have gone rogue in order to rescue Chuck's father. Morgan's screw-up makes him Public Enemy #1 among the Buy Morons.

Chuck is given an opportunity to rid himself of the Intersect but will have to protect Ellie from Fulcrum on her wedding day.