One Punch Man
Oshimeter
Synopsis
Being able to kill anything with one punch sounds like the ultimate power fantasy until you realize it's actually ruined his life. Saitama trained so hard he went bald and became the strongest being alive, and now he can't feel anything during a fight. Every monster, every world-ending threat: one hit, done. He's not angsting about it either. He's just... bored. Goes grocery shopping. Misses sales. Barely reacts when something levels a city. That's the joke at the center of this 12-episode TV series from Madhouse, and it never stops being funny. Saitama exists in a world full of dramatic heroes with elaborate backstories and power rankings, and he just wanders through it like a guy who showed up to the wrong anime. Early on he meets Genos, an intense cyborg with a tragic past who immediately declares himself Saitama's disciple. Their dynamic is great: Genos treating everything with deadly seriousness while Saitama zones out during conversations. The animation is genuinely stunning. Fight scenes have a weight and fluidity that hold up years later, which makes the comedy land even harder when Saitama ends things in one anticlimactic hit. The whole thing is a parody of superhero and shonen tropes, but it works as a straight action show too. If you liked Mob Psycho 100 (same original creator) or the self-aware humor in Gintama, this is right there. Fans of My Hero Academia's hero society worldbuilding will find familiar ground here, just played for laughs.
Episode Guide
Characters
Saitama
Overpowered Z-City hero, Saitama, seeks a worthy opponent after effortlessly defeating foes with one punch.
Mittelman Max
Genos
Cyborg superhero Genos, Saitama's disciple, seeks ultimate power and fights for justice as an S-Class hero.
Aguilar Zach
MANGA BRIDGE
This season covers Chapters 1-37 of the manga. Continue reading from Chapter 38.

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Very exciting and fun to watch. The more I watch it the more questions I have but I like it. It is very ineteresting and you can bassically watch the whole thing and dont even notice. overall I hope you will watch it.
Action-packed. This has some of the best animation not just in anime, but in media generally. Being from Studio Madhouse, I expected no less. The animation is fluid, and I love the urban setting. It has daily city life but populates it with superpowered people. MC too stronk.
One-Punch Man Season 1 is an entertaining and technically impressive anime that succeeds by exploiting battle-shonen conventions. Its premise is simple: an overwhelmingly powerful hero defeats almost any opponent with a single punch. Instead of following the usual progression of strength, the series explores boredom, recognition, heroism, and the limitations of conventional power fantasies. While clever, the central joke can only carry the series so far. Watching an impossibly strong protagonist end fights effortlessly is amusing, but the novelty could easily wear thin. Fortunately, the show shifts attention toward its supporting cast and hero society, giving the story needed substance. Saitama is an unusual lead. His detached personality and lack of ambition are funny, especially against the seriousness of the world around him. His boredom is an interesting premise, but the season doesn't explore it as deeply as its philosophical framing suggests. He works better as a comedic subversion of the traditional action protagonist than as a complex psychological character. The supporting cast provides much of the dramatic substance. Their struggles and differing views of heroism give the story stakes that the protagonist lacks, though the large ensemble can feel more like exaggerated archetypes than fully developed characters. The satire of hero rankings and public recognition is another strong idea, critiquing a status-driven society. However, these ideas aren't explored with subtle depth; the series raises questions about recognition and strength, yet generally provides straightforward answers. The action is where Season 1 shines brightest. The animation is consistently phenomenal, featuring fluid movement, powerful impacts, and energetic direction. Several major battles are exceptionally well executed, though the visual spectacle can sometimes overshadow the writing. The contrast between Saitama's plain appearance and the elaborate designs around him reinforces the satire, even if the visual joke becomes less surprising over time. The comedy is generally effective through the contrast between Saitama's casual attitude and everyone else's intensity. Good comedic timing undercuts dramatic situations nicely, though some humor relies on repetitive, exaggerated reactions. The pacing is one of the season's strongest assets. Its 12-episode structure keeps the story moving without letting the premise grow stale, and the soundtrack fits the material well, supporting both spectacle and comedy. Ultimately, One-Punch Man Season 1 is better at execution than depth. Its satire is clever, its action is impressive, and its balance is well-maintained—knowing when to be ridiculous, dramatic, or spectacular. It isn't the flawless masterpiece its reputation suggests, but it remains a well-produced, engaging, and memorable first season that successfully subverts power fantasies.
Wow
Gasa
Perfect
Perfect
It has a very good animation but the history in this moment of the anime its not so great.
This is the episode for the infamous nut punch, one of the biggest success factor of OPM,. it drew so much people to watch it because of the sheer ridiculousness of it. Pair with the insane storyboarding and visuals. Just insane
hii
It always feels good to rewatch certain episodes. But in this case really it's solely for the animation. Getting analytical for OPM has always been difficult as it portrays an entirely different vibe to other anime. For this episode itself it's when it's really clear the difference between Saitama and Genos. I think the conversation in this episode is very good, it felt real in a sense, in a good way.
It was one of the best anime in its first season. Fresh, with a great character like Saitama—funny, charismatic—but seasons two and three are so bad they completely ruined that feeling. Not just visually, but even in the narrative itself. A real shame.
THIS ANIME IS AMAZING I CAN SEE MY HUSBAND THERE
I still get chills watching Saitama vs Boros—this episode is pure adrenaline. The animation explodes with detail, clearly inspired by Yusuke Murata’s insane paneling, especially during the moon sequence, which is still one of the most iconic moments in modern anime. But as a fan who loves the deeper themes, I feel like the anime plays it too safe emotionally. Saitama’s boredom—his existential emptiness—is the core of the story, yet here it feels overshadowed by spectacle. The fight is incredible, yes, but I wanted more internal weight, more pauses, more reflection that contrast the chaos. It’s visually perfect, but thematically it could have hit much harder if it leaned into that loneliness behind his overwhelming power.
They somehow managed to save the best for last in spite of the fight itself not taking very long. This was the culmination of the work of professionals who know how to draw up a spectacle and man this might genuinely be one of my favourite fights in all of anime. No nonsense, just a couple of parallels; one warrior who wishes to finally find a good fight and another who has finally found what he has been looking for. I initially thought the concept would get tiring after the third episode but boy was I wrong, I could watch multiple seasons of this. It really is all about keeping things simple and honing in on that one thing that stands out, and this show does it better than any I've ever seen.
Lord Boros literally punching saitama to the Moon, only for him to casually jump back and drop the serious punch is the most jaw-dropping flex in this anime.
Saitama casually wander around a massive alien spaceship, mapping the place out by breaking everything, is peak comedy. But the real star is Lord Boros stepping up at the end with that insane cosmic aura. Animations were insane.
A top-tier prophet literally chokes because the upcoming threat is so catastrophically bad and the S-Class assemble, right before a giant alien spaceship flattens a city is peak .
Saitama casually defeated the Deep Sea King with a single punch that literally clears the entire rainy sky is hype , but him intentionally playing the villain to protect the reputation of the fallen heroes is mad respect. He is the ultimate definition of a true hero.
Mumen Rider is the absolute goat. He riding his little bicycle straight into a literal demon-level threat monster, knowing damn well he has zero chance of winning is peak writing. I respect Mumen Rider for all the effort he put's to save people from danger, even though he has no powers.
One Punch Man
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