The story of how Mystery Inc. was formed.

Director: Brian Levant

Cast: Kate Melton, Hayley Kiyoko, Robbie Amell, Nick Palatas, Frank Welker, Shawn Macdonald, Garry Chalk, Leah James, Brian J. Sutton, Al Rodrigo, Dee Jay Jackson, C. Ernst Harth, Lorena Gale, Devon Thomas, David Hurtubise