AllMovie

This episode from the 1970s animated series about the adventures of a girl band has the trio traveling to Mexico for a festive gig. Not knowing that the evil Scorpion has smuggled an important piece of his weather-controlling machine in their drum set, Melody, Valerie, Josie, and their friends keep narrowly escaping the clutches of his evil henchmen. But with their usual spunk, and a good tune or two, the group manages to save themselves and the world.