The adventures of Goku continue - but this time our hero has a small problem; The devious Emperor Pilaf has wished Goku back to childhood through the power of the Eternal Dragon! What's worse is that Goku and Trunks are on the verge of having their bodies used for twisted scientific experimentation on the machine planet, M2! All hope lies in Pan, Goku's own granddaughter! Will Pan arrive in time to thwart the plans of the wicked Dr. Myuu? And what about the incredibly powerful General Rilldo?! Plus, an evil power looms large on the horizon--a power that threatens to destroy all humanity!