With the help of her father's greatest creation, a holographic computer named Synergy, Jerrica Benton and her sisters team up to create the band Jem and the Holograms. Together, they will go head-to-head with their rivals, the Misfits and their greedy road manager Eric Raymond, in a battle of the bands for control of Mr. Benton's music company, Starlight Music.

Eight young people from Ohio who are dancers, come to New York, to compete in a major talent competition. But when they get there, they learn that they have to wait some time before they take part in it. So they try to do their best to survive in the Big Apple before competition, and get some lessons about the real World.

There's intergalactic trouble when the lyrics Judy Jetson wrote for teen heartthrob Sky Rocker are swapped with a secret message from a music-hating witch. Now it's up to Judy, her family, and friends to save rock-and-roll.