While computer nerd Chuck is forced to his birthday party, his old roomie at Stanford does spy stuff and sends Chuck an email that changes him forever. The CIA and NSA send agents to find him, and he has his first date in years.
Sarah from CIA and John from NSA fight and suspect each other for killing "The Doctor" after he checked out Chuck. Sarah and Chuck are invited to dinner at his sister's.
Chuck spots a Chinese spy in a restaurant. The agents want to find out why she's here in the US. Chuck goes on his first stake out, which is also a special occasion for his family.
Chuck spots a man wanted by the government. He finds out the man worked for the government, and just desired a new life. Soon he has Chuck doubting his handlers. Chuck has to interview for Assistant Manager.
When Chuck's former Stanford teacher, who kicked him out of school, is kidnapped, Chuck must face his past by returning to Standford, and recover a disc with information about his past.
Chuck meets a pretty girl with an unusual name, which causes an internal conflict. At the same time, his sister falls prey to someone the government seeks to apprehend.
After breaking up with Sarah, Chuck starts dating Lou. When Chuck flashes on Lou's ex-boyfriend, he's conflicted between his current love interest and his duties. The agents intercept the shipment, and find something totally unexpected.
Chuck talks to Bryce, who's alive and held in a CIA facility. Morgan has a girlfriend and brings her to Thanksgiving dinner at Ellie's. The nerd herd trains for crowd control on Black Friday.
Chuck flashes on a counterfeit bill on a philanthropists yacht. Team Chuck goes undercover to determine what he's up to. Chuck's inexperience causes problems. Morgan meets Anna's parents. Casey receives major news that will affect the entire Team.
Chuck finds a bug in Buy More. Sarah and Casey get 48 hours to find the culprit, so they have to find the receiver inside Buy More. Who planted it inside Big Mike's marlin and who took the marlin?
