In this animated adventure, the beloved Mystery Inc. gang embarks on a thrilling journey to uncover the truth behind a prehistoric creature terrorizing a small town. As they delve deeper into the mystery, they encounter a mix of eccentric locals and hidden secrets that challenge their sleuthing skills. The film features the voice talents of Frank Welker, Matthew Lillard, and Mindy Cohn, bringing the iconic characters to life with their signature charm. Directed by Ethan Spaulding, this installment offers a blend of humor and suspense that appeals to both young audiences and nostalgic fans. For those interested, the movie is available for free viewing on 123Movies / Movies123.