Chuck is still reeling from the discovery that his ex-girlfriend was a Fulcrum agent & goes on a mission to take his mind of off his shock. Casey gets a shock of his own when he finds out that his sensei, Ty Bennett (guest star CARL LUMBLY
- " Alias, Buffalo Soldiers, Cagney & Lacey"), who taught him everything he knows, is now one of the most-wanted rogue agents. While on the search for Bennett, it becomes clear that Casey may be too emotionally involved to continue with the mission. Meanwhile, Captain Awesome's parents, Honey (guest star MORGAN FAIRCHILD
- " Fashion House, Friends, Falcon Crest") & Woody (guest star BRUCE BOXLEITNER
- " Babylon 5, Young Blades, Scarecrow & Mrs. King"), make a surprise visit to help Ellie & Awesome plan their wedding. Meanwhile, at the Buy More, Emmett (recurring guest star TONY HALE) reinstates the employee of the month contest, but Morgan, Jeff & Lester have other plans.


...

In the third season premiere, now that Chuck has new Intersect abilities, he trains to become a full-fledged spy -- but when he flunks out of spy school & loses Sarah in the process, he hits rock bottom. Morgan returns from training to be a chef at Benihana to help Chuck get out of his funk. But will he? Or is Chuck destined to return to his old life? ...

Casey carries out a side mission for his old commanding officer, Colonel James Keller (guest star Robert Patrick
- Terminator
...

Chuck learns that his latest solo mission will be a final test to see if he is ready to be a spy. Chuck needs to put everything he has learned into action to avoid going back to his old life while Sarah & Shaw (recurring guest star BRANDON ROUTH) observe his every move. ...

While in Europe, Sarah & 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, but this impromptu mission does not go smoothly. Meanwhile, General Beckman (recurring guest star BONITA FRIEDERICY) orders her newest "unlikely" spy team -- John Casey & Morgan Grimes -- to track down the missing couple. ...

Chuck & Sarah are assigned to train under Craig & Laura Turner (guest stars FRED WILLARD -- Anchorman: The Legend of Ron Burgundy, Waiting for Guffman & SWOOSIE KURTZ
- Pushing Daisies, Sisters), a married CIA team who, despite their impeccable record, hate one another. The Turners' stormy relationship forces Chuck & Sarah to wonder if they're doomed with the same fate. Meanwhile, Casey must train the newest member of the team -- Morgan.
...

Chuck begins to have disturbing dreams, & believes a recent dream predicts danger for a visiting head of state. General Beckman (recurring guest star BONITA FRIEDERICY), however, is unconvinced & assigns Chuck to meet with CIA psychiatrist Dr. Leo Dreyfus (guest star CHRISTOPHER LLOYD -- Back to the Future, Taxi). Meanwhile, Ellie gets surprising news & Anna (former series star JULIA LING) returns to the Buy More to talk to Morgan. ...

After his last dream, Chuck asks Morgan to help him on a side mission. Their investigation becomes complicated when Chuck's dad, Stephen J. Bartowski (recurring guest star SCOTT BAKULA -- Men of a Certain Age, Quantum Leap, Enterprise), returns & learns that Chuck downloaded the Intersect 2.0. Luckily, Chuck's father may be able to help his son. ...

The Ring is closing in on Chuck & Operation Bartowski. Fortunately, Chuck's dad, Stephen (recurring guest star SCOTT BAKULA), is working very hard to save his son. Meanwhile, Casey must secretly protect his daughter from the Ring, & Big Mike receives some serious news about the Buy More. ...