Plot
The story of how Mystery Inc. was formed.
Where to watch Scooby-Doo! The Mystery Begins?
Scooby-Doo! The Mystery Begins is a comedy movie featuring Frank Welker.
Scooby-Doo! The Mystery Begins is currently streaming on Max Amazon Channel.
It is also possible to buy Scooby-Doo! The Mystery Begins on Amazon Video, Apple TV, DIRECTV, Google Play Movies, Microsoft Store, Vudu and YouTube.