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How long would it take to watch all of ‘One Piece?’

Safe to say – it isn't humanly possible in one sitting.

Image via Viz Media

In 1997, One Piece, one of the longest-running and best-selling mangas of all time, debuted. Created by Eiichiro Oda, the story follows the exploits of Monkey D. Luffy — the captain of the Straw Hat pirates — who sail the Grand Line in search of the elusive One Piece, a treasure which — when obtained — will make him King of the Pirates.

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Two years after the manga began serialization, an anime adaptation from Toei Animation started airing. Both the manga and the anime are ongoing. As of July 2023, the manga has 106 tankōbon volumes, while the anime has accumulated over 1000 episodes. One Piece was the best-selling manga for 11 consecutive years from 2008 to 2018, and the anime has also garnered a substantial following.

If you’re new to the One Piece fanbase or your curiosity is simply getting the better of you, you might be wondering how long it would take to watch all of One Piece in one very, very time-consuming sitting.

How many episodes of One Piece are there?

Image via Crunchyroll

Ahead of the January 2024 premiere of season 21, there are 1,088 episodes of One Piece. The last season of the show, Wano Country, which lasted from 2019 to 2023 due to several factors like the COVID-19 pandemic, was made up of a whopping 197 episodes. That’s more than most TV shows have in a lifetime!

The 21st season of the show, Egghead, will begin on January 7th, 2024. So far, there’s been no official word on how many episodes this season will have, but judging from previous seasons, it will almost certainly be a lot.

How many volumes of One Piece are there?

Image via Viz Media

As of January 2024, there are 107 volumes of the One Piece manga that the anime is based on. According to experts at Anime Filler Guide, the series is operating at an almost identical pace as the manga, estimating that series 20 ends at approximately Volume 105.

How long would it take to watch all of One Piece?

one piece luffy
Photo via Fuji TV

On average, each episode lasts around 22-24 minutes, so if we use 23 minutes as the norm, multiply that by the current number of episodes — that being 1071 as of this writing — that brings us to a total of 24,633 minutes. That equates to around 410.5 hours, or 17.10 days. And that’s only for uninterrupted viewing, which means no pausing to go to the bathroom, and get ready for some pretty excessive sleep deprivation, which no healthcare professional would recommend trying out.

That’s not to say that you can’t take your time to watch One Piece like a normal person, but if you’re the daredevil type, who are we to tell you no? We doubt you’ll get very far without a good night’s sleep, though. Luffy and the gang will still be there when you wake up.