Tom has had enough of adventure and swears he is going to stay home and live the life of a sedate scientist, working on his many patent applications. He spots a magazine article written by Professor Bumper describing a fabulous underground city containing a large gold idol. Tom's attitude is "Hrumpf Gold. Underground city. Savages. Lions. Tigers. Bears. Been there, done that." Next thing we know, Professor Bumper and Mr. Damon show up. It takes about...