Duration: 23m

TV-Y7 8.9 Animation / Mystery / Comedy

Scooby-Doo! Mystery Incorporated S2E25

Using four keys, the gang finds the treasure chamber and the Evil Entity, revealing a life-changing secret.

Release Date: April 5, 2013 (USA)

Creator: Mitch Watson, Chris Bailey

Cast: Frank Welker, Mindy Cohn, Grey DeLisle, Matthew Lillard, Diedrich Bader, Mae Whitman, Kate Micucci, Nicole Sullivan, Wally Wingert