Funny Fillion Friday – Castle “Final Frontier”

During Salt Lake Comic Con FanX in April, Jonathan Frakes talked about working with one of his favorite actors- Nathan Fillion. When directing, Frakes often likes to insert himself in a cameo somewhere in the show. So when he got to direct the Castle episode called “The Final Frontier”, Frakes decided to be Castle’s number one fan at a book signing. The best part comes from Fillion who wrote the line of dialogue as Frakes is walking away. Check it out below: