'Chuck' Recap: The Top 5 Moments from 'Chuck vs. the Baby'

This one was all about Sarah Walker.

Thanks to Daniel Shaw's cryptic ending to last week's "Chuck vs. the Santa Suit," we knew that something was up. What we didn't know was just how much of Sarah's past would come to light in "Chuck vs. the Baby."

It was a sentimental, occasionally even sappy episode. And here are the Top 5 moments!