In this animated adventure, the Mystery Inc. gang travels to Japan, where they find themselves entangled in a mystery involving an ancient samurai sword. As they delve deeper, they encounter a legendary Black Samurai and must navigate a series of challenges to solve the mystery. The film features the voice talents of Frank Welker, Casey Kasem, and Mindy Cohn, bringing the beloved characters to life. Directed by Christopher Berkeley, this installment offers a blend of action, humor, and cultural exploration. For those interested, it can be viewed for free on 123Movies / Movies123.