Young Hercules - Season 1 Episode 15 Ares on Trial
Overview: Hercules, Jason and Iolaus rescue a drowning man after he literally falls from the sky. Funny thing is the man has no idea who he is or where he came from. Hercules soon discovers that the man is actually his half-brother Hephaestus the God of Steel and that he's being punished by his mother Hera by turning him into a mortal man.