Chuck

MICHAEL CLARKE DUNCAN ("The Green Mile") appears as Colt, a menacing operative trying to obtain a device which will lead to a new Intersect. Chuck finally asks Sarah on a date.

Chuck learns the art of seduction from the suave spy Roan Montgomery (JOHN LARROQUETTE) to get close to his target, a sultry but dangerous Black Widow (MELINDA CLARKE).

Chuck is jealous Sarah and Bryce Larkin (recurring guest star MATTHEW BOMER) must pose as a loving couple. And Morgan must deal with a bully (MICHAEL STRAHAN - New York Giants).

Chuck learns more about Sarah's past when they run into her old high school nemesis, Heather Chandler (guest star NICOLE RICHIE), and her husband, Mark (guest star BEN SAVAGE).

The spy life is starting to take its toll and Chuck tries to explain his strange behavior to the quirky Buy More efficiency expert (guest star TONY HALE - "Arrested Development").

Chuck sees his ex-girlfriend, Jill (guest star JORDANA BREWSTER - "The Fast and the Furious"), and lies about being successful. He flashes on Jill's boss -- could she be involved?

Chuck and Jill (JORDANA BREWSTER) are enjoying their rekindled relationship, but Jill gets jealous when she meets Sarah. Efficiency expert Emmett (TONY HALE) interrogates Morgan.

Chuck, Sarah and Casey shockingly learn Chuck's girlfriend, Jill (JORDANA BREWSTER), is a Fulcrum agent in search of the Intersect. Captain Awesome's parents come for Thanksgiving.

Casey is shocked to learn his mentor, sensei Ty Bennett (CARL LUMBLY - "Alias"), is a rogue agent. And MORGAN FAIRCHILD and BRUCE BOXLEITNER guest star as Awesome's parents.

Chuck spies Sarah on a date with an older man (GARY COLE - "Desperate Ho usewives," "The West Wing"), and has an Intersect flash. Sarah reveals the identity of the mystery man.

The Buy More is held hostage. As it becomes apparent the incident is not a random act brought on by holiday madness, and Chuck and the Intersect are at risk, Sarah takes action.

In this special 3-D episode, Chuck foils a plan to kill a rock star (gue st star DOMINIC MONAGHAN - "Lost," "The Lord of the Rings" films). NFL star JEROME BETTIS also guest stars.

Chuck and Sarah must pose as a married couple living in the suburbs. They meet cheerful neighbor Brad (ANDY RICHTER) and Sylvia (JENNY McCARTHY), a seductress with an eye on Chuck.

Chuck helps Morgan spy on Anna, but flashes on her new boyfriend as being connected to a dangerous gang. Jeff and Lester want Ellie and Awesome to hire their band for the wedding

Chuck is jealous as Sarah gets close to an attractive agent, Cole Barker (JONATHAN CAKE). Jeff and Lester try to hire a "Buy More Babe." Model BROOKLYN DECKER guest stars.

While Sarah and Casey look for a man behind Fulcrum's plan to build its own Intersect, Chuck and Agent Cole Barker (JONATHAN CAKE) are forced to stay in a safety bunker.

After Chuck is contacted by the mastermind behind the Intersect computer, he must decide who he can trust -- Sarah and Casey or the mysterious scientist.

When Chuck expresses feelings about his relationship with Sarah, a heartless agent, Alex (TRICIA HELFER - "Battlestar Galactica"), is sent to evaluate Sarah's performance.

Chuck's long-absent father, Steve (SCOTT BAKULA), returns and Chuck lands his dream job with his hero, Ted Roark (CHEVY CHASE). Unfortunately, neither is what Chuck expected.

Chuck turns to a surprising person to help him after his father (SCOTT BAKULA) is kidnapped by Fulcrum. JORDANA BREWSTER and TONY HALE also guest star.

Chuck and Sarah risk everything to find Chuck's father, (SCOTT BAKULA). Plus, Morgan mistakenly gets Emmett (TONY HALE) promoted. Recurring guest star CHEVY CHASE also appears.

In the season finale, Chuck must save Ellie's wedding -- and her life. Recurring guest stars include MORGAN FAIRCHILD, BRUCE BOXLEITNER, TONY HALE, SCOTT BAKULA and CHEVY CHASE.