Scooby-Doo and the Alien Invaders four Scooby-Doo direct-to-video films to be animated overseas by Japanese animation studio Mook Animation. It was the last film to feature Mary Kay Bergman as the voice of Daphne before her death in November 1999 and the film was dedicated to her memory. The Mystery Machine is driving through a desert in Roswell, New Mexico. A sandstorm comes up and Shaggy Rogers makes a wrong turn onto government property. Seeing a UFO causes Shaggy to lose control of the vehicle and the gang find themselves on the outskirts of a small town. While Scooby-Doo and Shaggy stay with the van,
Scooby-Doo! Spooky Games and he celebrates with the gang. Scooby-Doo! Spooky Games Scooby-Doo! Spooky Games is a direct-to-DVD special based upon the "Scooby-Doo" Saturday morning cartoons, created for the London 2012 Olympics, released on July 17, 2012. This special began a trend of bonus Scooby-Doo "special episodes" on various DVDs. As Shaggy and Scooby are running away from a monster, Olympics organizer Diane watches Shaggy and Scooby's amazing running ability and asks them to join the 2012 World Invitational games (a parody of the 2012 Olympics) in London. Shaggy accepts the offer, while Scooby is unable to join (because he is not human).