When Cassidy is attacked by deep-sea robots, the gang decides to help her unravel the mystery of who is sending them and why. Thisis going to call for a little deap-sea adventure!

Cast: Frank Welker, Mindy Cohn, Grey Griffin, Matthew Lillard, Dee Bradley Baker, Vivica A. Fox, Kate Higgins, Udo Kier, John O'Hurley, Mindy Sterling, Patrick Warburton