Exclusive Castle Sneak Peek: What's with All the Frozen Bodies?

"What the hell is this place?"
So asks Castle's Detective Kate Beckett (Stana Katic) in our exclusive peek at the drama's next episode (Monday, 10/9c, ABC). And that's just one of the many questions the episode, poses.

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Perhaps the most important one: Where is the body?When Beckett and Castle (Nathan Fillion) discover their bloody crime scene has no victim, they begin an investigation that leads them into the world of life-extension science. As we previously reported, William Atherton guest-stars as Ari Weiss, a researcher with a particular fondness for cryogenic freezing.

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In the video clip below, Castle and Beckett get an up-close-and-personal look at Weiss' work. And  based on Castle's (hilarious) reaction, frozen bodies aren't exactly his thing.The full episode airs Monday at 10/9c on ABC. Watch the sneak peek now: