Quick Answer

  1. Domerica the Monster(ONA · 1 eps)
  2. Fossil Thief and the Dinosaur Stones(ONA · 1 eps)
  3. kanai(ONA · 1 eps)
  4. Interior(ONA · 1 eps)

Total: ~4 episodes / 2h watch time

Fossil Thief and the Dinosaur Stones Watch Order(2026)

Wondering where to start with Fossil Thief and the Dinosaur Stones? There are 4 entries total. The order below follows release dates, which is usually the safest way to go for a first watch.

4 entries ~2h total4 series

Full Watch Order (Release Order)

3
kanai

kanai

4.82ONA1 eps~24min
Finished Airing
4
Interior

Interior

5.33ONA1 eps~24minEchoes
Finished Airing

Frequently Asked Questions

What's the best order to watch Fossil Thief and the Dinosaur Stones?

Release order. Start with Domerica the Monster 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 Fossil Thief and the Dinosaur Stones?

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

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