Scooby-Doo 2: Monsters Unleashed

This time Scooby-Doo and his friends must confront a masked villain who plans to take over the town of Coolsville by flooding it with ghosts. These creatures, brought to life by a special monster-generating machine, are set to cause real chaos in the town. But thanks to the efforts of the 'Mystery Inc.', Coolsville will surely be saved!