A hip rock star has stolen Judy Jetson's heart, so she joins two of her girl friends at his concert, following close behind her is George, who's turned his hair into a Mohawk. But an evil witch who hates music has kidnapped the rock star, so Judy and her friends go off to rescue him and George get's thrown in jail. Elroy and Astro come to the rescue, but are stuck with a difficult question - who do they save first? George or Judy? Even Jane, Rosie and Mr. Spacely are along for the fun as the teenage adolescent Jetson daughter goes to heroic heights to battle the evil witch and join her rock star companion and possibly perform on stage with him.