In the Early 1950s, inventor and oceanographer Dan Parmenter developed an experimental bathysphere capable of descending to previously inaccessible depths. Though Parmenter set out on his inaugural dive alone, he soon discovered his young son Billy had stowed away on the craft. It was then that the father and son became the first humans to ever see the gigantic Gargantus. Parmenter quickly surfaced, but a curious Gargantus followed them to the surface. Now on dry land Gargantus declared that the he had made the greatest of discoveries: that the land masses above the sea were not desolate as his people believed, but populated!