- Network TV Tokyo
- Genres Action, Animation, Anime, Comedy, Science-Fiction
- Runtime 25 minutes
- Total runtime 8 hours 45 minutes
- Status Continuing
Saitama is a superhero who has trained so hard that his hair has fallen out, and who can overcome any enemy with one punch. However, because he is so strong, he has become bored and frustrated that he wins all of his battles too easily.
(Season 1 Episode 1)