Watching the entire One Piece anime series as of 2025, which has about 1,126 episodes, would take a significant amount of time. Each episode is roughly 22 to 24 minutes long.
- If you were to watch all episodes back-to-back without breaks, it would take over 411 hours (about 17 days straight) to complete
- More detailed estimates put the total viewing time at around 448.8 hours (about 19 days) including fillers and opening/ending themes
- Skipping openings and endings can reduce this time to approximately 16.3 days of nonstop watching
- Watching 8 hours per day, a more realistic schedule, would mean it takes around 51 days to watch all episodes from the beginning to the current season
In addition to the episodes, there are also 15 movies and several OVAs and specials that add to the total watch time if you want to include them
. In summary, to watch all One Piece episodes released by mid-2025:
- Nonstop: about 17 to 19 days
- 8 hours daily: about 51 days
This makes One Piece one of the longest anime series to watch in full
