Dr. Stone Science Future episode 21 is here very soon, and it's very much business as usual for the anime series' final season as it likely nears the very end of its second part.
Below, we're here to make sure you're 10 billion percent sure about its release plans. That includes Dr. Stone Science Future episode 21's release date and streaming time on Crunchyroll in the US and UK, release schedule, episode count, and more.
For more on the year's new anime, check out our guides to One-Punch Man season 3 and Frieren: Beyond Journey's End season 2.
Dr. Stone season 4, episode 21 release date: what time is the new Science Future episode on Crunchyroll?
Dr. Stone season 4, episode 21 is set for release on September 4 at 7:00 AM Pacific/10:00 AM Eastern on Crunchyroll. That's 3:00 PM in the UK.
For other regions, please use the time zone converter.
Be sure to keep up to date with other major ongoing releases with our guides to the Sakamoto Days Part 2 release schedule and the Dan Da Dan season 2 release schedule.
Dr. Stone season 4 release schedule: when are new episodes out?
The first part of Dr. Stone season 4 was released between January and March. This featured 12 subbed and dubbed episodes.
The entire final season will be split into three parts, with the second part currently airing.
The updated Dr. Stone Science Future release schedule is as follows:
- Dr. Stone season 4, episode 1: January 9, 2025 - out now!
- Dr. Stone season 4, episode 2: January 16, 2025 - out now!
- Dr. Stone season 4, episode 3: January 23, 2025 - out now!
- Dr. Stone season 4, episode 4: January 30, 2025 - out now!
- Dr. Stone season 4, episode 5: February 6, 2025 - out now!
- Dr. Stone season 4, episode 6: February 13, 2025 - out now!
- Dr. Stone season 4, episode 7: February 20, 2025 - out now!
- Dr. Stone season 4, episode 8: February 27, 2025 - out now!
- Dr. Stone season 4, episode 9: March 6, 2025 - out now
- Dr. Stone season 4, episode 10: March 13, 2025 - out now!
- Dr. Stone season 4, episode 11: March 20, 2025 - out now!
- Dr. Stone season 4, episode 12: March 27, 2025 - out now!
- Dr. Stone season 4, episode 13: July 10, 2025 - out now!
- Dr. Stone season 4, episode 14: July 17, 2025 - out now!
- Dr. Stone season 4, episode 15: July 24, 2025 - out now!
- Dr. Stone season 4, episode 16: July 31, 2025 - out now!
- Dr. Stone season 4, episode 17: August 7, 2025 - out now!
- Dr. Stone season 4, episode 18: August 14, 2025 - out now!
- Dr. Stone season 4, episode 19: August 21, 2025 - out now!
- Dr. Stone season 4, episode 20: August 28, 2025 - out now!
- Dr. Stone season 4, episode 21: September 4, 2025
Where can I watch Dr. Stone season 4?
The fourth and final season of Dr. Stone is, unsurprisingly, only available on Crunchyroll for the time being. We don't expect it to make the jump to any other platforms, such as Netflix or Hulu/Disney Plus.
How many episodes of Dr. Stone season 4 are there?
Dr. Stone season 4 is likely going to consist of 30 episodes, but don't expect them all to stream in consecutive weeks. It has previously been announced that the final season will be formed of three separate 'cours' (or parts) across 2025.
If that's the case, it wouldn't be a surprise to see the final season split into three batches of between eight and 12 episodes. 20 episodes have aired to date.
For more on what's next on the anime scene, be sure to dive into our guides on My Hero Academia season 8 and the Chainsaw Man movie.
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