Chuck's latest mission has him raiding a Malibu mansion to grab a million dollar diamond being used to fund terrorism. Tagging along is an attractive but less-than-trustworthy DEA agent.

Chuck must learn to balance a real love life with his cover love life when he meets a charming young woman by the name of Lou. At the same time, his relationship with Sarah gets interesting when the duo must explain their sexual relations with Ellie and Captain Awesome on a double date. Meanwhile, there is trouble when someone is using truth poison in order to retrieve codes for nuclear facilities.

Chuck goes undercover at Sarah's 10-year High School reunion, where they meet the girl that tortured Sarah back in the old days.

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.

A female agent is sent to evaluate Sarah's performance, when Chuck's feelings for her are revealed. Meanwhile, Morgan, Jeff and Lester are trying to get invited to Captain Awesome's bachelor party.

Ellie's big day finally arrives and Chuck must save her life and her wedding from being ruined by Ted Roark and FULCRUM.

Chuck gets a new mission when Sarah's best friend Carina comes through town with her fiancé Karl. Things get complicated when Chuck wants to hash out his and Sarah's relationship problems while they're on the mission. Meanwhile, Morgan finds himself in trouble when he lies to Jeff and Lester.

"Chuck Versus the Fake Name" is a third-season episode of the television series Chuck. It was the eighth episode of the season, and the first to air after a two-week hiatus for the 2010 Winter Olympics. Chuck must juggle his new relationship with Hannah while at the same time taking on the role of an assassin hired by the Ring.

While in Europe, Sarah and Chuck realize they’re traveling on a train with Spanish spies. Even though they’re all alone, they decide to take on these rogue agents. Of course, this impromptu mission doesn’t go smoothly. Meanwhile, Beckman orders her newest “unlikely” spy team – John Casey and Morgan Grimes – to track down the missing couple.

As the Intersect continues to malfunction Stephen hurries to complete the Governor for his son. Meanwhile, Daniel Shaw and the Ring close in on Team Bartowski and their families.