In the year 2003, Professor Tenma is distraught when his son Tobio is killed in a car accident. He loses himself in his latest project, creating Atom, a robot boy programmed to be forever good.
Upset that his Tobio-substitute can never grow up, Tenma sells Atom to Ham Egg, the cruel ringmaster of a robot circus. Atom meets the kindly Professor Ochanomizu, who adopts him, inspires him to become a crusader against evil, and eventually builds him a robot "sister," Uran.+ More
Characters & Voice Actors

Atom
Main
Atlas
Supporting
Cobalt
Supporting
Ham Egg
Supporting
Hige Oyaji
Supporting
Nakamura
Supporting
Pluto
Supporting
Skunk Kusai
Supporting
Tawashi
SupportingRecommended for you
Shinsei Galverse
ONA
22m
Lord of Mysteries
ONA
35m
Milky Highway
ONA
3m
Endless God Realm
ONA
13m
Jade Dynasty
ONA
20m
Hoshina's Day Off
Special
24m
Psychic Princess Season 2
ONA
15m
Fairies Albums 5
ONA
20m
Dragon Raja Season 2
ONA
20m
Alien Collections
ONA
10m
I am the Blade
ONA
20m
GoWest: Overworked
ONA
16m
Spy x Sect
ONA
7m