After 52 years of solving mysteries, the Scooby gang reunite at Warner Bros. Studios to reminisce about their favorite cases and how they were filmed. But it turns out that the back lot may have its OWN monster problem. Fred, Daphne, Velma, Shaggy, and Scooby-Doo investigate this mystery while celebrating the legacy of the franchise.
Two high school enemies, uber-jock Harry and out-and-proud Sam, are forced to share a car ride to their Missouri hometown for a friend's engagement party on Valentine's Day. Things take a turn when Sam learns Harry has come out.