The story takes place in the fictional metropolis of City Z, Japan. The world is full of strange monsters that mysteriously appear and cause many disasters. Saitama, the protagonist, is a super powerful hero who easily defeats the monsters or other villains with one punch. However, after becoming too strong, Saitama has become bored of his powers and is always trying to find stronger opponents who can fight him.
Sorry, no info about the next episode of One Punch Man is available yet.
The TV show is either in vacation or waiting to start their new season. When information about future episodes becomes available, it will be posted here.