With The Rookie, Nathan Fillion headlines his third TV successful TV show after Firefly and Castle, and is in no mood to stop ...

Despite lasting only one season, the show was just as popular as Fillion’s eight-season long show Castle. In a resurfaced interview with Esquire, Fillion made the argument that Firefly being ...

while Nathan Fillion and other main cast members signed on for one more season. Also interesting: The problem would have been that 'Castle' was largely focused on the relationship between "Richard ...