Rainbow Brite - Season 1 Episode 11 Murky's Comet Rainbow Brite to the rescue!
Overview: They are having a parade in Rainbowland. The Color Kids strike a band while Rainbow and Stormy ride their horses. Rainbow goes to Earth to pick up Brian to ride in the parade as well. Sorrell the Sorcerer comes to Rainbowland. Sorrell crashed his spaceship in the pits, and gave Murky one choice if he could repair his spaceship. Murky wanted to destroy the color cave, and Sorrell made a comet. It almost hit Rainbowland, but Rainbow Brite came to save the day.