Humpty Dumpty goes on a tour of the solar system with two astronauts. [1] They visit each planet, with the astronauts providing brief descriptions of Mercury, Venus, Mars, the asteroid belt, Jupiter, Saturn, Uranus, Neptune, Pluto, Charon, and the Sun. [2] During the tour, Humpty Dumpty asks questions about each destination. [3] Unfortunately, as the tour concludes, Humpty Dumpty falls off the spaceship and cracks, unable to complete the full tour.