While on a hunt, the Winchesters meet (more like have an unpleasant encounter) Beckett and team. For supernatural, it takes place in season 5, and for castle, some where in season 4. rated T for safety. *my summaries suck. just read the story!*
Crossover - Supernatural & Castle - Rated: T - English - Supernatural - Chapters: 8 - Words: 14,230 - Reviews: 25 - Favs: 29 - Follows: 58 - Updated: 9/26/2016 - Published: 7/21/2015 - Sam W., Dean W., Rick C., Kate B.