Jingle bells will be replaced by wedding bells on Monday's new episode of Castle, as Ryan exchanges vows with long-time girlfriend Jenny.

I'll post an interview with star Seamus Dever over the weekend, regarding his character's big day, but first let's take a look at a couple scenes from "'Till Death Do Us Part," shall we?

In the first, Castle and Beckett take in a crime scene. In the second, we watch Ryan down a cleansing shake, while Esposito receive some bad news about the wedding and who might be coming. Watch for yourself:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.