S1·E97 Contest in Space
Aired December 5, 1964
Synopsis
Planet Hyper is the most civilized planet in the galactic system. It chooses a pair of a human and a robot each from both the Earth and Planet War to have them fight against each other, and will destroy the loser's planet. Astro and Ponkotsu Tetsu, the safebreaker, are chosen to represent the Earth.