1
Quick Answer
- Astro Boy(TV · 193 eps)
- Princess Knight(TV · 52 eps)
- The Three-Eyed One(TV · 48 eps)
- Osamu Tezuka's Last Mystery of the 20th Century(TV Special · 1 eps)
- Phoenix(TV · 13 eps)
Total: ~307 episodes / 123h watch time
Osamu Tezuka's Last Mystery of the 20th Century Watch Order(2026)
With 5 entries across the franchise, Osamu Tezuka's Last Mystery of the 20th Century can look overwhelming. It's simpler than it seems though. Follow the list below and you'll be set.
5 entries ~123h total4 series
Full Watch Order (Release Order)
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Osamu Tezuka's Last Mystery of the 20th Century(you are here)
6.44TV Special1 eps~24min2000
Finished Airing5
Frequently Asked Questions
What's the best order to watch Osamu Tezuka's Last Mystery of the 20th Century?
Release order. Start with Astro Boy and go down the list. This is how the creators intended the story to unfold — later entries build on what came before, and watching out of order can spoil key reveals.
How long does it take to watch all of Osamu Tezuka's Last Mystery of the 20th Century?
About 123 hours total across 307 episodes and 5 entries. At 3-4 episodes per day, that's roughly 88 days.
Can I skip the movies and OVAs?
This franchise is mostly main series content with no standalone movies or OVAs to worry about.
Release order or chronological order?
Go with release order for your first time through. Chronological can be tempting, but shows are written with release order in mind — reveals hit harder and character arcs make more sense. Save chronological for a rewatch if you want a different perspective.
More about Osamu Tezuka's Last Mystery of the 20th Century
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