"The Greatest Mystery Is How It All Began
Before the formation of Mystery Inc., Fred, Daphne, Velma, Shaggy and Scooby-Doo led separate lives - until the sudden appearance of ghosts at Coolsville Highschool brought them all together..."
(Above from here).
I'm a big fan of the Scooby-Doo movies, and this one is no exception! It was a great movie, and really funny in parts... Just what you'd expect from a Scooby-Doo movie.