Rick looks distressed when he tries to negotiate with an accused murderer on Castle. "Number One Fan" is the fourth episode of the show's sixth season.
Rick tries to keep things calm when he gets called into a hostage situation on Castle. "Number One Fan" is the fourth episode of the show's sixth season.
Things get tense for Rick when he's called in to get an accused murderer to release her hostages on Castle. "Number One Fan" is the fourth episode of the show's sixth season.