About Supernatural Season 13, Episode 16 : Scoobynatural

Sam, Dean and Castiel are transported into the animated world of Scooby Doo where they join forces with the Scooby gang to solve a ghostly mystery. Guest Stars: Peter New, Frank Welker, Grey DeLisle, Kate Micucci, Matthew Lillard, Dee Bradley Baker, Eric Bauza, Stephen Stanton, Fred Tatasciore, Kegan Frith,