Scooby Doo! Mecha Mutt Menace

'Scooby-Doo! Mecha Mutt Menace ' is a Direct-to-DVD special based upon the Scooby-Doo Saturday morning cartoons, released on September 24, 2013 on the 13 Spooky Tales: Ruh Roh Robot DVD.

Plot
The gang is hot on the trail of a mystery involving a giant robot dog.

Cast

 * Frank Welker as Scooby-Doo, Fred Jones
 * Matthew Lillard as Shaggy Rogers
 * Mindy Cohn as Velma Dinkley
 * Grey Delisle as Daphne Blake, Loud Speaker, Reporter #2
 * Julie Bowen as Dr. Devon Albright
 * Phil LaMarr as Stan
 * Lacey Chabert as Melanie Staples
 * Alan Rachins as Dr. Ned Staples
 * Paul Reubens as Irv