Has Saitama from One Punch Man ever been defeated?

Since the hype of the first season of the anime and its manga, OPM has been gaining more and more fans.

Many theories arise around the protagonist regarding his strength, but everyone forgets that he cannot be compared to any manga or anime character, since he is a satire of the most famous characters.

Alert! Contains spoilers from the two released seasons of the anime and the manga as well.

This must be one of the reasons why the animation has achieved great success along with characters that are part of OPM like Tatsumaki, Fubuki, Garou among others.

Origin of One Punch Man

The One Punch Man series started in 2009 with the webcomic created by the mangaka who uses the pseudonym One.

The drawings made by One were not beautiful, but even so, the story was very successful in its publications on his website.

His inspiration for creating the main character came from the anime Anpanman, which has been airing in Japan since 1988 and is aimed at children.

In 2012, the mangas began to be published in partnership with another mangaka named Yusuke Murata, which drew even more attention from the public due to the quality of his drawings.

For those who still do not know Saitama (not to be confused with the Saitama province in Japan), he is the “main character” of the One Punch Man manga/anime who trained so much that he became so strong that with just one punch he defeats his opponents (usually monsters).

After registering with the hero association, he started in class C, but is currently in class B rank 7.

His daily training that made him extremely strong was:

  • 100 push-ups;
  • 100 sit-ups;
  • 100 squats;
  • 10 km of running;
  • Eat 3 good meals (sometimes he only ate a banana for breakfast);
  • Did not use air conditioning, even if it was very hot;

This type of training, according to Saitama, was what made him strong, but as a consequence, he lost all his hair, leaving him completely bald.

Not only did he go bald, but he is always bored because he cannot find anyone who is his match or can withstand more than one punch from him.

It is evident that we will never know the truth (only One) about the source of his strength. Since the whole OPM universe is a satire, we already have the answer to this question.

Anime

Popularity increased even more after the great Japanese animation studio Madhouse adapted the manga, producing in 2015 the first season of One Punch Man.

In 2019, the second season made by the studio J.C.Staff left many people disappointed with the quality of the animation, as it did not come close to the previous one.

However, the story managed to faithfully deliver the essence of the OPM universe, with its parodies of shounen anime and many funny moments.

Where to watch?

Unfortunately, we have few streaming services that provide the released seasons of OPM for us to watch here in Brazil.

  • The 1st season of One Punch Man has 12 episodes and 7 OVAs;
  • The 2nd season has 12 episodes and 6 OVAs;

We can only watch the 1st and 2nd seasons on Netflix and also on Crunchyroll.

It was recently announced that there will be a 3rd season, but the date has not been disclosed yet.

Now let’s get to the point and show 4 times that Saitama from One Punch Man was defeated.

Saitama vs Genos

Saitama may appear invincible on the outside, but inside his organs are apparently normal like any other human being.

In the episode 5 of the 1st season of the anime, he sees an advertisement in the restaurant he is in and decides to challenge his disciple Genos (ジェノス), a cyborg, hero class S rank 14.

After Genos accepts the challenge to see who can eat the entire bucket of udon and win the prize, Saitama cannot handle it and gives up.

Saitama vs Genos in Udon

From what is shown in the episode, Genos could eat much more.

Saitama vs Bang

In OVA 5 (Bang, Who is Too Overbearing – 強引すぎるバング), which takes place after the events of episode 7 of the 1st season, Silver Fang (シルバーファング), also known as Bang, begins to observe Saitama and Genos.

In a first approach, he invites both to go to his dojo, but neither of them shows up.

He does not give up and continues observing them and makes the invitation again (after they lose the meat they bought in an accident) saying that in his dojo there is top quality meat, and both end up accepting.

The competition is nothing more than rock-paper-scissors and whoever loses has to put on the helmet in time to protect themselves from a hammer blow (toy hammer).

Genos loses right in the first round and then Saitama loses all the following ones to Bang.

Saitama vs Bang in the Dojo

Getting more and more nervous, after several defeats, Saitama throws scissors and Bang throws paper, with this “victory” he tries to grab the hammer, but it slips from his hands giving Silver Fang time to dodge, predicting that a hammer blow with extreme force would come.

Saitama vs King

We have already seen that Saitama is not an ordinary hero like we see in other anime.

His main characteristics are:

  • Lives bored and unmotivated
  • Does not have one of the best uniforms compared to other more popular heroes
  • Is very simplistic and clumsy

In the episode 10 of the second season, this becomes evident when he is invited by the hero class S rank 7 King to play a video game at his house.

He always sticks to the tactic of pressing only one button and King realizes that he is not good with games. In just a few commands, he defeats Saitama in the fighting game.

Saitama vs King in the game

Saitama vs Mosquito

Mosquito? Yes, incredibly, Saitama with all his super strength and agility could not kill a mosquito that was bothering him while he was watering his plant.

This happens in the beginning of episode 2 of the first season, after trying to “eliminate” the mosquito, when he runs after it with a kind of insecticide and accidentally ends up swallowing it.

It doesn’t make much sense for him not to be able to kill a mosquito, but with one slap he eliminated Mosquito Girl. The One Punch Man universe has these things that do not have a logical explanation.

So far we have seen some defeats he suffered, even though they were not necessarily battles.

In his journey to be the strongest hero, he suffered a lot with his training when he was a child.

Saitama as a child

At 12 years old, a special chapter of the manga shows what was the first monster he faced and got beaten up a lot.

A characteristic he has from that time until today is his bored/expressionless face.

Gabi Xavier explains in more detail in the video below:

Curiosities

In the fight against Lord Boros, after taking a punch from Saitama, he loses his protective armor, releasing his hidden power, and when describing this, we see that face that became famous on the internet as saitama ok.

Saitama ok

In the original Japanese audio, he says ”そうか” which means something like I understand/really, and in the Brazilian dub, he says “ah, okay.”

I hope you enjoyed the article! Do you have any theories about the origin of Saitama’s strength? Leave a comment telling!

Kevin Henrique

Kevin Henrique

Asian culture expert with over 10 years of experience, focusing on Japan, Korea, anime, and gaming. A self-taught writer and traveler dedicated to teaching Japanese, sharing travel tips, and exploring deep, fascinating trivia.

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