When Buy More computer geek Chuck Bartowski unwittingly downloads a database of government information and deadly fighting skills into his head, he becomes the CIA's most vital secret. This sets Chuck on a path to become a full-fledged spy.
The best episode of "Chuck" season 4 is "Chuck Versus the Anniversary", rated 8.5/10 from 1421 user votes. It was directed by Robert Duncan McNeill and written by Chris Fedak. "Chuck Versus the Anniversary" aired on 9/20/2010 and is rated 0.3 point(s) higher than the second highest rated, "Chuck Versus the Suitcase".
Chuck and Morgan go on a rogue globe-spanning mission to find Chuck’s mom. Meanwhile, Sarah and Casey follow a trail to Russia as they investigate the mysterious Volkoff Industries and its operative, Marco. Back at home, Ellie delivers big news to her family.
Director: Robert Duncan McNeill
Writer: Chris Fedak
When Chuck go undercover in Milan, Chuck realizes the "Achilles' Heel" in their relationship, but must set personal issues aside for the mission. Meanwhile, Morgan recognizes a fatal flaw that compromises the new Buy More. Elsewhere, Casey struggles to put down roots in Burbank.
Director: Gail Mancuso
Writer: Lauren LeFranc, Rafe Judkins
Chuck and Sarah's romantic mission is canceled with the arrival of Hugo Panzer and Heather Chandler. But Chuck grows more interested when the manipulative Heather claims to know a secret about his mom. Meanwhile, as Morgan prepares the Buy More for a huge video game release, he gets a surprise from Big Mike.
Director: Norman Buckley
Writer: Nicholas Wootton
Chuck and Sarah try to become better communicators as they join Ellie and Awesome on a trip to Costa Gravas; a forbidden romance may put Morgan at odds with Col. John Casey.
Director: Robert Duncan McNeill
Writer: Kristin Newman
When Colonel Casey's former team returns looking for him, Chuck must decide what he's willing to sacrifice in order to find his mom. Elsewhere, Morgan works up the nerve to reveal a potentially dangerous secret to Casey.
Director: Michael Schultz
Writer: Henry Alonso Myers
Chuck, Sarah, Casey and Morgan must stop Dr.Stanley (Robert Englund) from releasing a toxin that induces nightmares... Chuck's mother's allegiances are questioned; Lester and Jeff celebrate Halloween at the Buy More.
Director: John Scott
Writer: Craig DiGregorio
After their first real fight, Chuck avoids confronting Sarah by going on a rogue mission that leads him to his mom's MI-6 handler, Gregory Tuttle, and a mysterious Russian agent. Meanwhile, Ellie is on her own mission to uncover the Bartowski family's long-buried past.
Director: Allan Kroeker
Writer: Lauren LeFranc, Rafe Judkins
Afraid that his latest setback is driving a wedge between him and Sarah, Chuck resolves to prove himself by going on a dangerous mission with the overeager Agent Rye. Meanwhile, Morgan and Casey scramble as the "Buy Morons" attempt to uncover the true identity of Greta.
Director: Robert Duncan McNeill
Writer: Nicholas Wootton
Chuck, Sarah, Casey and Morgan venture into the jungles of Southeast Asia when The Belgian attempts to unravel the secrets of the Intersect. Meanwhile, Captain Awesome and Ellie try to decipher a secret left behind by her father.
Director: Anton Cropper
Writer: Kristin Newman
It's the day after Thanksgiving and Chuck faces the most awkward of family reunions when mom comes over for dinner—along with the dangerous Alexei Volkoff. Back at the Buy More, Morgan deals with the busiest shopping day of the year as Jeff and Lester hatch their latest scheme.
Director: Zachary Levi
Writer: Henry Alonso Myers
Chuck tries to create a romantic getaway for Sarah while tracking down a nano-chip at a French vineyard. Lester asks Big Mike for love advice.
Director: Jay Chandrasekhar
Writer: Max Denby
Sarah takes dangerous measures to help Mary Bartowski bring down Alexei Volkoff, as Chuck worries that she may be getting in too deep. Sarah, though, must enlist the help of Chuck, Morgan and Casey to complete her undercover mission. Meanwhile, Ellie and Awesome are at odds over what to name the baby.
Director: Milan Cheylov
Writer: Craig DiGregorio
The mission to take down Volkoff reaches a dangerous new level, while big changes loom at home. As Sarah works to free Chuck’s mom, Chuck and Morgan embark on their own mission to take down Alexei Volkoff. Meanwhile, Casey bonds with his daughter, Alex, while Ellie tries to ease Awesome’s anxieties over fatherhood.
Director: Peter Lauer
Writer: Lauren LeFranc, Rafe Judkins
Casey, Chuck and Sarah are sent to Morocco to rescue Roan Montgomery. Morgan plans to meet Alex's mother and Mary spends some time with her family.
Director: Patrick R. Norris
Writer: Chris Fedak, Kristin Newman
Chuck surprises Sarah with her old spy team, The C.A.T. Squad, leading to a mission in Rio. As The C.A.T. Squad works to settle a score with Augusto Gaez, old secrets and grudges come to light. Back at the Buy More, Morgan fends off the advances of Carina, a former flame and frisky member of The C.A.T Squad.
Director: Paul Marks
Writer: Nicholas Wootton
Valentine's Day is interrupted when Chuck and the team are sent on a mission to England to protect a reclusive young heiress, Vivian McArthur. Meanwhile, Casey gets an offer from the mysterious Jane Bentley. Back at home, Ellie and Awesome find an unlikely solution to a parenting problem, as Morgan ponders a big move.
Director: Patrick R. Norris
Writer: Lauren LeFranc, Rafe Judkins
Chuck encourages Vivian to get in touch with her inner villain for a mission. Morgan's search for a new roommate has unexpected results.
Director: Fred Toye
Writer: Craig DiGregorio
Chuck and Sarah suspect Casey is carrying out private missions. Chuck fears the CIA's new operatives will render him obsolete. Morgan settles in with a new roommate. Awesome becomes uncomfortable with Ellie's research.
Director: Kevin Mock
Writer: Phil Klemmer
Chuck is put in charge of a top-priority mission, but his leadership skills are pushed to the limit when there is a murder in Castle. Meanwhile, Awesome takes on a mission of his own when Ellie finds an alarming new hobby. Elsewhere, Morgan's leadership is also tested when his Buy More troops wage war against Large Mart.
Director: Allan Kroeker
Writer: Kristin Newman
With the help of his old nemesis Alexei Volkoff, Chuck and the team hunt down a deadly weapon, The Norseman. In a pre-wedding surprise, Sarah springs a pre-nup on Chuck.
Director: Robert Duncan McNeill
Writer: Nicholas Wootton
When Chuck and Sarah get conned out of their wedding money, there is only one man they can turn to for help -- Sarah's conman father, Jack Burton. Meanwhile, Morgan pressures Casey to face Alex's mother.
Director: Anton Cropper
Writer: Lauren LeFranc, Rafe Judkins
Chuck and Sarah put aside spy work to have a weekend of debauchery, but Awesome’s plans for Chuck’s big night don’t go quite as expected. Meanwhile, Ellie's investigation into her father's computer leads to a life-changing discovery.
Director: Robert Duncan McNeill
Writer: Craig DiGregorio, Phil Klemmer
Chuck and Sarah’s wedding prep includes one final detail: ensuring that the mother-of-the-groom makes it to the ceremony alive. Meanwhile, Morgan’s responsibilities as Best Man include his most dangerous mission yet, as he faces Vivian Volkoff. Elsewhere, Ellie tends to the last details of the rehearsal dinner and seeks help from an unlikely source.
Director: Peter Lauer
Writer: Henry Alonso Myers, Kristin Newman
Before he can kiss the bride, Chuck must enlist his wedding party to take down Vivian Volkoff and stop her from destroying the big day. When he turns to Alexei Volkoff for help, the CIA sends its toughest agent, Clyde Decker, to stop them.
Director: Robert Duncan McNeill
Writer: Nicholas Wootton, Chris Fedak