<p>Based on the anime, Saitama first looks around calmly, realizes he's in space, then covers his nose. While this isn't solid evidence, the fact he just didn't even realize this is probable evidence of one of two things: either Saitama does not require any breath and had passively stopped breathing at all, or he is simply such a broken character that he ignores logic until he realizes it's even there in the first place. Either way the air should have escaped from his body within seconds, so based on a logical standpoint I can only assume that yes, Saitama can breathe in space.</p>

CC BY-SA 4.0
2024-09-24T17:58:32.023Z
No. Saitama is extremely powerful, but he's still only human. He isn't really indestructible, immortal, unkillable, and he still has human needs. He still needs O² like anyone else. He can *survive* in space, apparently, but he cannot *breathe.* he does his best to hold his breath.
Austin Overton
CC BY-SA 3.0
2016-07-17T04:33:06.780Z
2016-07-17T04:33:06.780Z
Jacob Smith
<p>No matter how strong he may be, Saitama wasn't holding his breath until after a few seconds of being on the moon. the minute he left the atmosphere, the air inside him, which is normal oxygen and nitrogen, would be sucked out. Strength has nothing to do with his oxygen deprivation. No breath holding equals no oxygen, so no reaction to oxygen loss equals no oxygen dependency. Saitama can't die from space.</p>

CC BY-SA 3.0
2016-10-11T22:49:20.563Z
2016-10-11T22:49:20.563Z
None
<h3><strong>Yes</strong>, Saitama can survive in space.</h3>
<p>In <a href="https://onepunchman.fandom.com/wiki/Chapter_167_(Online)" rel="nofollow noreferrer">Chapter 167</a> (2022) of the manga, Saitama demonstrates his ability to survive in space. During a battle with Awakened Garou on Io, one of Jupiter's moons, Saitama speaks and fights freely without holding his breath. This suggests he can breathe in Io's extremely thin atmosphere, which is essentially a vacuum.</p>
<p><a href="https://i.sstatic.net/itbOxqoj.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/itbOxqojm.jpg" alt="Chapter 167" /></a><a href="https://i.sstatic.net/5tQRRMHO.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/5tQRRMHOm.jpg" alt="Chapter 167" /></a><br />
<a href="https://i.sstatic.net/fpiizh6t.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/fpiizh6tm.jpg" alt="Chapter 167" /></a></p>
<p>Interestingly, this seems to contradict an earlier scene in <a href="https://onepunchman.fandom.com/wiki/Chapter_36" rel="nofollow noreferrer">Volume 7, Chapter 36</a> (2014) of the manga, where Saitama apparently cannot breathe on the moon.</p>
<p>For those curious about this discrepancy, I've asked about it in another post: <a href="https://scifi.stackexchange.com/q/290990/7957">Why does Saitama's ability to breathe in space seem inconsistent between different One-Punch Man chapters?</a></p>

CC BY-SA 4.0
2024-09-24T18:00:36.503Z
It's an odd plot hole, isn't it? I never quite understood why OPM and other shows have that kind of thing in them.
Austin Overton
CC BY-SA 4.0
2024-09-24T03:25:19.287Z
2024-09-24T03:25:19.287Z
galacticninja
<p>No he can't. He had to hold his breath while in the moon. That means no. However he can travel through space without external help. He got shot to the moon and he got back without a rocket. His durability and endurance is enough for that.</p>

CC BY-SA 3.0
2016-04-28T17:48:26.657Z
2016-05-13T04:58:52.160Z
2016-05-13T04:58:52.160Z
Analyst1996
<p><strong>No, he can not breathe in space.</strong></p>
<p>In the chapter 47 (35.2), Boros punches Saitama so hard that he is sent flying towards the moon. When he lands there, he does his best to hold his breath:</p>
<p><a href="https://i.sstatic.net/R6bSb.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/R6bSb.png" alt="Saitama" /></a></p>

CC BY-SA 3.0
2016-01-24T00:56:53.483Z
The real question is "can he resists space radiation?"
Braiam
CC BY-SA 3.0
2016-01-24T02:02:04.023Z
I don't think short term exposure to outer space is dangerous for radiation first. Rather, insanely low temperature.
Hakase
CC BY-SA 3.0
2016-01-24T02:03:21.897Z
The pressure would kill a person anyway :p
Ikaros
CC BY-SA 3.0
2016-01-24T02:11:10.553Z
His resistance to punches kind of implies resistance to pressure changes.
Hakase
CC BY-SA 3.0
2016-01-24T07:22:17.217Z
Space, which is a vacuum, has very low pressure. This drops the boiling point of water to very low temperature. Therefore, the first side effect of outer space will be that your blood start boiling. There are better ways to go!
solalito
CC BY-SA 3.0
2016-01-24T19:28:44.227Z
Your blood wouldn't start boiling for a while. The fluid in your eyes and mouth on the other hand, will in fact suffer.
TUSF
CC BY-SA 4.0
2016-01-23T13:29:45.650Z
2023-04-28T21:44:37.023Z
2023-04-28T21:44:37.023Z
Ikaros
<p>I'm just wondering whether Saitama could live in space, just like Superman or Goku, without needing oxygen to breathe?</p>

<one-punch-man>
Can Saitama breathe in space?
# Can Saitama breathe in space?
Posted by: username_0 on 2016-01-23
I'm just wondering whether Saitama could live in space, just like Superman or Goku, without needing oxygen to breathe?
**Tags:** one-punch-man
---
## 5 answers
### Answer by username_6 on 2016-01-23. Score: 25 | Accepted answer
**No, he can not breathe in space.**

In the chapter 47 (35.2), Boros punches Saitama so hard that he is sent flying towards the moon. When he lands there, he does his best to hold his breath:

[![Saitama](https://i.sstatic.net/R6bSb.png)](https://i.sstatic.net/R6bSb.png)
> **Comments:**
> **username_7** (2016-01-24): The real question is "can he resists space radiation?"  
> **username_8** (2016-01-24): I don't think short term exposure to outer space is dangerous for radiation first. Rather, insanely low temperature.  
> **username_6** (2016-01-24): The pressure would kill a person anyway :p  
> **username_8** (2016-01-24): His resistance to punches kind of implies resistance to pressure changes.  
> **username_9** (2016-01-24): Space, which is a vacuum, has very low pressure. This drops the boiling point of water to very low temperature. Therefore, the first side effect of outer space will be that your blood start boiling. There are better ways to go!  
> **username_10** (2016-01-24): Your blood wouldn't start boiling for a while. The fluid in your eyes and mouth on the other hand, will in fact suffer.  
---
### Answer by username_1 on 2016-07-17. Score: 1
Based on the anime, Saitama first looks around calmly, realizes he's in space, then covers his nose. While this isn't solid evidence, the fact he just didn't even realize this is probable evidence of one of two things: either Saitama does not require any breath and had passively stopped breathing at all, or he is simply such a broken character that he ignores logic until he realizes it's even there in the first place. Either way the air should have escaped from his body within seconds, so based on a logical standpoint I can only assume that yes, Saitama can breathe in space.
> **Comments:**
> **username_2** (2024-09-24): No. Saitama is extremely powerful, but he's still only human. He isn't really indestructible, immortal, unkillable, and he still has human needs. He still needs O² like anyone else. He can *survive* in space, apparently, but he cannot *breathe.* he does his best to hold his breath.  
---
### Answer by username_3 on 2016-10-11. Score: 0
No matter how strong he may be, Saitama wasn't holding his breath until after a few seconds of being on the moon. the minute he left the atmosphere, the air inside him, which is normal oxygen and nitrogen, would be sucked out. Strength has nothing to do with his oxygen deprivation. No breath holding equals no oxygen, so no reaction to oxygen loss equals no oxygen dependency. Saitama can't die from space.
---
### Answer by username_4 on 2024-09-24. Score: 0
### **Yes**, Saitama can survive in space.

In [Chapter 167](https://onepunchman.fandom.com/wiki/Chapter_167_(Online)) (2022) of the manga, Saitama demonstrates his ability to survive in space. During a battle with Awakened Garou on Io, one of Jupiter's moons, Saitama speaks and fights freely without holding his breath. This suggests he can breathe in Io's extremely thin atmosphere, which is essentially a vacuum.

[![Chapter 167](https://i.sstatic.net/itbOxqojm.jpg)](https://i.sstatic.net/itbOxqoj.jpg)[![Chapter 167](https://i.sstatic.net/5tQRRMHOm.jpg)](https://i.sstatic.net/5tQRRMHO.jpg)  
[![Chapter 167](https://i.sstatic.net/fpiizh6tm.jpg)](https://i.sstatic.net/fpiizh6t.jpg)

Interestingly, this seems to contradict an earlier scene in [Volume 7, Chapter 36](https://onepunchman.fandom.com/wiki/Chapter_36) (2014) of the manga, where Saitama apparently cannot breathe on the moon.

For those curious about this discrepancy, I've asked about it in another post: [Why does Saitama's ability to breathe in space seem inconsistent between different One-Punch Man chapters?](https://scifi.stackexchange.com/q/290990/7957)
> **Comments:**
> **username_2** (2024-09-24): It's an odd plot hole, isn't it? I never quite understood why OPM and other shows have that kind of thing in them.  
---
### Answer by username_5 on 2016-04-28. Score: 0
No he can't. He had to hold his breath while in the moon. That means no. However he can travel through space without external help. He got shot to the moon and he got back without a rocket. His durability and endurance is enough for that.
---
