Chuck Season 4 Episode 4 (Chuck s04e04) with title “Chuck Versus the Coup D’Etat” aired on Monday, October 11th 2010 at 08:00 pm via NBC Network.
Here is summary for Chuck Season 4 Episode 4 :

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.