In this animated adventure, the Mystery Inc. gang teams up with the legendary rock band KISS to solve a supernatural mystery at KISS World, a rock-themed amusement park. As they investigate a series of strange occurrences, they encounter a mysterious Crimson Witch who threatens to destroy the park. The film features the voices of KISS members Gene Simmons, Paul Stanley, Eric Singer, and Tommy Thayer, adding an authentic rock and roll flair to the story. Directed by Spike Brandt, this movie combines the classic Scooby-Doo charm with the electrifying energy of KISS. It can be viewed for free on 123Movies / Movies123.