Sneak Peek of Castle Season 5, Episode 12, “Death Gone Crazy”: Alexis Walks in on Castle (VIDEO)

Alexis tries to have a serious conversation with her dad, and finds him watching an adult video! 

Original Air Date: Castle Season 5, Episode 12: "Death Gone Crazy" airs tonight, Monday, Jan. 21, 2013 at 10 p.m. ET on ABC.