Quick Answer

  1. Adachi-ga Hara(Movie · 1 eps)
  2. Rain Boy(OVA · 1 eps)
  3. Yamataro Comes Back(OVA · 1 eps)
  4. The Green Cat(OVA · 1 eps)
  5. Akuemon(OVA · 1 eps)
  6. Lunn Flies into the Wind(OVA · 1 eps)

Total: ~6 episodes / 2h watch time

Rain Boy Watch Order(2026)

Rain Boy's watch order is straightforward once you see it laid out. 0 main series, 1 movie, and 5 OVA/specials — all in the right sequence.

6 entries ~2h total1 movie5 OVA/specials

Full Watch Order (Release Order)

4
The Green Cat

The Green Cat

5.74OVA1 eps~24minTezuka Productions
Finished Airing
5
Akuemon

Akuemon

6.22OVA1 eps~24minTezuka Productions
Finished Airing

Frequently Asked Questions

What's the best order to watch Rain Boy?

Release order. Start with Adachi-ga Hara 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 Rain Boy?

About 2 hours total across 6 episodes and 6 entries. At 3-4 episodes per day, that's roughly 2 days.

Can I skip the movies and OVAs?

It depends. Recap movies are always safe to skip — they just compress the TV episodes. Original movies and OVAs range from "fun side stories" to "actually important for the plot." When you're unsure, just watch them where they fall in the list above. Better to have extra context than miss something.

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 Rain Boy

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