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,
What's New, Scooby-Doo? characters utilize technology that did not exist at the time "Scooby-Doo, Where Are You!" first aired. It is the first television series in the franchise in which Frank Welker, Grey DeLisle and Mindy Cohn respectively portrayed the voices of Scooby-Doo, Daphne and Velma, as well as the final one in which Casey Kasem portrayed Shaggy, having originally quit the role following a dispute regarding the portrayal of the character. The series premiered on September 14, 2002, and ran for three seasons before ending on July 21, 2006. The title song was performed by Canadian band Simple Plan. Reruns of the