Imari's expedition to uncover manganese ore takes an unexpected turn as they stumble upon a baffling enigma along the remnants of an abandoned railroad track.
Aired: Jul 6, 2025A chance encounter between a high school student and a graduate student spark...
Aired: Jul 13, 2025Ruri's determination to find gold is met with a dose of reality from Nagi, wh...
Aired: Jul 20, 2025A geologist, Imari, joins forces with Ruri and Nagi to embark on a thrilling ...
Aired: Jul 27, 2025Nagi instructs Ruri on the art of studying sand in pursuit of sapphire, but R...
Aired: Aug 3, 2025A group of friends embark on a beachcombing adventure to search for agate, wh...
6. A Closer Look into the Blue
Aired: Aug 10, 2025A sudden discovery by Ruri halts the group's search for Sapphire as they begi...
Aired: Aug 17, 2025Next episode, Ruri's beachcombing adventure leads to an unexpected encounter ...
Aired: Aug 24, 2025Ruri and Shoko's science project takes an unexpected turn when they stumble u...
9. Time Capsule of 1.9 Million Tons
Aired: Aug 31, 2025Nagi and Ruri embark on an opal-hunting adventure, only to find that the terr...
10. Sentence to an Abandoned Railroad
Aired: Sep 7, 2025Imari's expedition to uncover manganese ore takes an unexpected turn as they ...
Aired: Sep 14, 2025Ruri seeks guidance on her uncertain future by delving deeper into her resear...
12. Memories Come with Rocks and Noise
Aired: Sep 21, 2025Ruri's quest begins as she sets out to revive her grandfather's vintage cryst...
13. Look Up, Examine, Search! And Next!
Aired: Sep 28, 2025A group of friends embark on a trip to a hot springs inn, where they embark o...
Streaming in:
Australia
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IndiaRomania
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United Kingdom
United StatesCurrent Status: Currently Airing
Network: AT-X
Production Country: Japan
