Castle is about to meet The X Games and Sons of Anarchy, all rolled into one.
On the April 28 installment of this ABC hit, a professional skateboarder will be killed by a mysterious motorcycle-riding murderer, leading Castle and Beckett to an investigation that has them diving into the world of extreme sports.
Will the team from the 12th precinct catch the killer before they find out that the dangerous stunts aren't the only thing that can lead to an untimely death?
Check out these photos from Castle Season 6 Episode 21 - awesomely titled "Law & Boarder" - now:
And if you can't wait for the next episode, or if you need a refresher of any kind, you can watch Castle online anytime here at TV Fanatic.
C. Orlando is a TV Fanatic Staff Writer. Follow her on Twitter.