It's a bachelor/bachelorette weekend gone very awry on this week's episode of Chuck. While the guys are headed to Vegas (or so they think), Ellie cooks up a girls' weekend for Sarah. Unfortunately, the parties are quickly put on the back burner as the gang tries to hunt down Agent X. Did you take notice of all that went down?
Chuck Challenge: Chuck vs. Agent X
What is Casey's favorite part of Vegas?