Title: Till Death Do Us Part
Air Date: January 9, 2012 at 10:00 PM PST
When a lothario is killed, Castle and Beckett suspect that the victim’s mysterious double life holds the key to his murder. Their investigation leads to a shocking twist that threatens to disrupt Ryan’s wedding with Jenny (Seamus Dever’s real-life wife, Juliana Dever, guest stars).
- Read Wetpaint Entertainment's recap of the episode here!
- Check out Seamus Dever's behind-the-scenes tweets from this episode!