04/12/2013 05:09 pm ET Updated Jun 12, 2013

Sneak Peek Of Castle And Beckett Hunting For One Of The World's Legendary Monsters (VIDEO)

It's been an intense few weeks on "Castle" (a crazy two-parter, an emotional Ryan-centric episode), but Monday's episode is going to be a return to the show's signature light-hearted fare.

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