Nathan Fillion finally settles a huge fan debate regarding his characters in both "Castle" and "The Rookie." Here's what the actor had to say.

Officer John Nolan found himself in a “sticky situation” with Detective Nyla Harper on the latest episode of The Rookie, but star Nathan Fillion insisted their drama won’t linger. During the Tuesday, ...

Editor's Note: Spoilers ahead for The Rookie, Season 7, Episode 9. With "The Kiss," The Rookie officially wraps up its two-part midseason premiere for Season 7, and boy was that a ride. From the ...