Chuck

Chuck, Sarah ja Casey yrittävät saada takaisin uuden tietokannan, Cipherin, tärkeän komponentin.

Chuck needs to go undercover to seduce a woman named Sasha Banachek, so an old school spy named Roan Montgomery is assigned as his mentor.

Chuck joutuu mustasukkaisuuden valtaan, kun hänen arkkivihollisensa ilmestyy yllättäen takaisin.

Chuck kuulee Sarahin menneisyydestä, kun he törmäävät Sarahin lukioaikaiseen viholliseen Heather Chandleriin (Nicole Richie) ja aviomieheen Markiin (Ben Savage).

Efficiency expert Emmett Milbarge pays the Buy More a visit to inspect the branch, while a global terrorist looks for Jeff. Chuck needs to socialize with Jeff to find out about his connection to the terrorist.

At a BioScience conference, Chuck runs into Jill, his ex-girlfriend who broke up with him and later dated Bryce Larkin. He flashes on her boss, Guy Lafleur, who is suspected to be working on biochemical weapons.

The team needs to acquire a Fulcrum agent list by solving several riddles left behind by Guy Lafleur. Meanwhile, Emmett tries to find out why Chuck is absent so often and goes after his colleagues to get the information.

After finding out that Jill is a Fulcrum agent, Chuck is ordered to use her to infiltrate Fulcrum. Meanwhile, Ellie is preparing the apartment for Thanksgiving and the arrival of Captain Awesome's parents.

Casey järkyttyy, kun hän saa tietää, että hänen senseinsä on nyt yksi etsityimmistä agenteista.

Sarah's father, a con artist, comes to meet her, revealing that he conned a Saudi Arabian sheik, Rajiv Amad, out of nearly a million dollars.