Season 1 Episode 14 episode 14

Watch The First 12 Minutes Of 'Castle' Episode 14 "The Blue Butterfly"

Watch The First 12 Minutes Of 'Castle' Episode 14 "The Blue Butterfly"

Castle's "The Blue Butterfly" is one of the much-anticipated episodes of season 4. ABC has released a spoilery preview of the film-noir episode featuring our gang's alter egos in the fabulous 1940's. Check it out and sound off below!!