The early life of child genius Sheldon Cooper, later seen in The Big Bang Theory.

Ryder and the pups are called to Adventure City to stop Mayor Humdinger from turning the bustling metropolis into a state of chaos.

Ravaged by the loss of Scooby-Doo in a snowmobiling accident (very graphic), the Mystery Inc. gang must reunite one final time to plan the funeral and solve one last mystery.

The tale of three mothers of first graders whose apparently perfect lives unravel to the point of murder.