Scooby-Doo 3 was a planned sequel to Scooby-Doo 2: Monsters Unleashed that was set to be the third installment in the live-action Scooby-Doo film series.
Why It Was Cancelled Edit
- Scooby-Doo 2 failed at the box office and both live-action Scooby-Doo films were panned by critics and fans alike.
- Joseph Barbera died a few years after Scooby-Doo 2 was released in theaters.
- The film was cancelled for good.