By Chris Nashawaty
Updated March 10, 2009 at 10:14 PM EDT

While the jury may still be out on Nathan Fillion’s new cop-mystery series Castle after its cutesy debut last night on ABC, there’s no arguing that he can be pants-wettingly hilarious when given the right material. No, we’re not talking about Serenity, or Waitress, or Dr. Horrible’s Sing-Along Blog. We’re talking about an awesome little satirical skeleton in his closet called Nailing Your Wife — part of series of PG-Porn Web videos directed by Hollywood screenwriter James Gunn (Dawn of the Dead).

Obviously, we’ve been underestimating Fillion’s comedy chops all these years. Check out our (slightly NSFW) clip of the day and see if you agree that this guy needs to host SNL, stat! PG PORN: Nailing Your Wife | Girls |