A pair of Gretas return on this episode. Check out the official promo for "Chuck Versus The A-Team."
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Chuck Season 4 Episode 18 Quotes

Casey: You didn't wet yourself this time. That's an improvement.
Morgan: I didn't drink any water today.

Casey: Would you be willing to sacrifice your life to protect John Casey?
Morgan: My only regret is that I have one life to give.