Scooby-Doo and Shaggy must go into the underworld ruled by The Goblin King in order to stop a mortal named The Amazing Krudsky who wants power and is a threat to their pals: Fred, Velma, and Daphne.

The Mystery Inc. gang takes a trip to Japan and finds themselves circling Asia and the Pacific in a treasure hunt, racing against the vengeful Black Samurai and his Ninja warriors to find the legendary Sword of Fate, an ancientblade fabled to possess extraordinary supernaturalpowers.

The gang's vacation to Paris takes a wrong turn when Scooby and Shaggy miss their flight and end up on a skydiving expedition in the Himalayas. To make matters worse, upon arrival they must outrun the Abominable Snowmonster.

Scooby-Doo and the Mystery Inc. gang become involved in a supernatural mystery in Egypt.