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 boxes, iron-on transfers, coloring books, story books, records, underwear, and other such goods. When Scrappy-Doo was introduced to the series in 1979, he, Scooby, and Shaggy became the foci of much of the merchandising, including a 1983 Milton-Bradley "Scooby-Doo and Scrappy-Doo" board game. The first "Scooby-Doo" video game appeared in arcades in 1986, and has been followed by a number of games for both home consoles and personal computers. "Scooby-Doo "multivitamins also debuted at this time, and have been manufactured by Bayer since 2001. "Scooby-Doo" merchandising tapered off during the late 1980s and early 1990s, but increased after the series'