The Disturbed Small Planet

The Disturbed Small Planet ("Kurutta Shōwakusei" 狂った小惑星) - titled the same in the English dub - is an episode of the 1963 Astro Boy anime series.

Synopsis
The small planet Mezusa goes out of its orbit and heads straight to the Earth. To save Earth from a collision with the planet, Astro Boy heads for the planet with a convict who is a bomb professional.

Characters
In Order of Appearance: