In fact, the season finale is
a two-hour extravaganza. The first hour is titled “Chuck versus the Subway,” and the second is “Chuck versus the Ring: Part 2.”
I can't wait. And, although this is pure speculation (and/or wishful thinking) I can't help wondering if 'Chuck versus the Ring' could actually mean something along the lines of 'Chuck versus the Engagement Ring'. Now THAT would be a spectacular season finale.
Spoiler Source: Ausiello