When Murky's mother arrives for an unexpected visit, he tries to trick her into helping him make Rainbow Land gloomy, but she helps Rainbow Brite twart Murky's plans instead, sending him back to the Pits.
A Horse of a Different Color
As a diversion to kidnap Starlite, Murky builds a mechanical horse to run in the big race at the annual Sprite Fair. To foil the plot, Rainbow Brite must get some help from Krys and Sunriser, a beautiful pink horse.
Queen of the Sprites
The Dark Princess and Count Blogg come to Rainbow Land and convince the Sprites that she is their queen, and that they must mine magic diamonds for her in the Color Cave - diamonds she plans to use to destroy Rainbow Brite.
An intergalactic conman tricks the Sprites into signing over the deed to the Color Cave, which he plans to turn into a visitor attraction. With the supply of Colour Crystals cut off, Murky seizes the opportunity to spread gloom. Rainbow Brite must find a way to stop them both.