Stana Katic, Nathan Fillion, Jon Huertas Stana Katic, Nathan Fillion, Jon Huertas

On Monday's Castle (10/9c, ABC) our titular mystery writer believes he's being haunted. So, who's he going to call for help? (Hint: It's not the Ghostbusters.)

When Castle (Nathan Fillion) and Beckett (Stana Katic) investigate a string of strange deaths, Castle accidentally watches the "haunted DVD" that he believes might be causing their victims to croak. Cue a full-on panic attack by Castle, who believes he's marked for death.

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In the exclusive first look at the episode below, Castle gets so scared that he actually calls on a fellow storyteller for help: horror master Wes Craven

! "I know you've researched evil spirits who reach out from the beyond for all your films," Castle says. "I was just wondering if you knew how to stop those pesky suckers."Needless to say, Craven is less than enthused by Castle's interruption. See how he responds in the video below.Castle airs Mondays at 10/9c on ABC.

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