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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....

Chuck uses an undercover solo assignment to try to steal Sarah’s heart back from Shaw. Brandon Routh guest stars.

When Chuck finally becomes a CIA agent, he realizes he doesn’t want the job if it means losing Sarah. In order to win her back, however, Chuck must...

Chuck must use everything he’s learned to avoid going back to his old life, as Sarah and Shaw observe his every move.

When Casey goes rogue, Chuck and Sarah must save him from himself.

Unable to flash, Chuck is left behind for a mission–but soon encounters a sticky situation at Castle. Brandon Routh guest stars.

Chuck goes undercover as the world’s most dangerous assassin. Brandon Routh and Kristin Kreuk guest star.

“Chuck vs. the Mask” Chuck must protect Hannah as they end up on a mission together. Kristin Kreuk and Brandon Routh guest star.

Chuck tests his emotional capability when he has to turn his very first asset.