The set of 'Castle' must be a really fun place to work -- at least, that's the impression we got after chatting with Laura Prepon about her guest spot on tonight's episode."I love the show, and I love the people who run it and work on it," she gushed when TV Squad caught up with her a couple of days before Christmas.
For one thing, they have peanut butter pretzels at craft service. For another, although Nathan Fillion mocked her for bungling the rehearsal of a key kissing scene, she couldn't say enough nice things about the guy.
