Ep. 20: Invisible gas entities possess humans and attack Earth, prompting Astro Boy to intervene.

20

A gas-based entity enters Dr. Ishizu's body while in space and subsequently returns to Earth. Following this event, multiple gasmen possess human hosts, causing them to behave violently. Astro Boy confronts these invisible cosmic creatures to stop their aggressive actions. The narrative focuses on the threat posed by these gaseous beings who have taken control of human bodies, leading to a direct challenge from the robotic hero. This account summarizes the specific incidents involving Dr. Ishizu and the subsequent attacks by the possessed individuals, highlighting Astro Boy's role in addressing the crisis caused by these extraterrestrial entities.