Where to Watch Scooby-Doo! The Mystery Begins (2009)

The greatest mystery is how it all began.

Unjustly accused of staging a spooky practical joke complete with ghosts, Daphne, Velma, Fred and Shaggy are suspended from Coolsville High. To clear their names, they team up to solve the supernatural mystery…and head straight into nonstop laughs and adventure.