Chuck and Sarah work on becoming better communicators as they join Awesome and Ellie for a getaway to Costa Gravas. There, the gang is reunited with Generalissimo Goya who finds himself in a dangerous situation once again. Back at home, Morgan embarks on a forbidden romance that may put him at odds with Colonel John Casey.

When Chuck, Sarah, Casey, and Morgan are tasked to stop Dr. Stanley Wheelright from releasing a nightmare inducing toxin, they're also lead to question the allegiances of Chuck's mom. Meanwhile, Jeff and Lester use their unique sensibilities to celebrate Halloween at the Buy More, and Ellie and Awesome get a visit from Dr. Honey Woodcomb.