Judy Jetson finds herself in a cosmic crisis when the heartfelt lyrics she penned for teen idol Sky Rocker get mixed up with a nefarious message from a witch who despises music. As chaos ensues, Judy must rally her family and friends to unravel the mystery and restore harmony to the galaxy. With their love for rock-and-roll at stake, the team embarks on an adventurous quest filled with catchy tunes and unexpected challenges, proving that music is worth fighting for.