Ryan McPartlin is shirtless on the episode "Chuck Versus The Push Mix" of Chuck.

Zachary Levi is shirtless on the episode "Chuck Versus Phase Three" of Chuck!

Zachary Levi is shirtless on the episode "Chuck Versus the Anniversary" of Chuck.

Ryan McPartlin is shirtless on the episode "Chuck Versus the Suitcase" of Chuck! Captain Awesome is hot!

Ryan McPartlin is shirtless on the episode "Chuck Versus the Honeymooner" of Chuck. Captain Awesome explains why he is always working out on TV. "Babe, this doesn't happen by accident," he says. Please keep working out as long as you do it without a shirt!

Zachary Levi is shirtless on the episode "Chuck Versus the Final Exam" of Chuck. He has already passed my test to be a sexy spy.