The Planeteers must stop Dr. Blight from selling a nuclear bomb to an evil dictator.
The Planeteers join the circus as a ruse to save the animals from the horrid conditions.
Dr. Blight is poaching frogs from their habitat.
The Planeteers must save old-growth trees from being felled.
The Planeteers discover Hoggish Greedly schemes to kill all the river dolphins in existence.