In this 2010 live-action adventure, the beloved Mystery Inc. gang embarks on a summer job at a country club, only to find themselves unraveling a new mystery involving a legendary lake monster. As they delve deeper into the eerie occurrences, they must confront their fears and work together to solve the supernatural puzzle. The film features performances by Robbie Amell, Hayley Kiyoko, and Kate Melton, bringing the iconic characters to life. Directed by Brian Levant, this family-friendly movie offers a blend of humor and suspense. For those interested, it can be viewed for free on 123Movies / Movies123.