Dangerous Mission

Astro Boy gets a first-hand look into the "Uncharted World" of the fourth dimension as he tries to find the missing Prince Priceless. Dr. Elefun develops a 4th Dimensional Detector which Astro Boy uses to find the ever-changing entrance into that other world. On the other side, Astro Boy finds not only the missing Prince but the captain and crew who had mysteriously vanished!