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The Worst Episodes of Ruri Rocks

Every episode of Ruri Rocks ranked from worst to best. Explore the Worst Episodes of Ruri Rocks!

Binge this in 5h 12m•Peaking at 9.0/10

High schooler Ruri Tanigawa loves shiny things. She loves them so much that she heads into the mountains to search for crystals herself—where she unexpectedly meets Nagi Arato, a graduate student studying mineralogy. As the

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  1. #1 Worst Episode
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    Ruri Rocks Season 1 Episode 1 - My First Mineral Hunt
    8.2/10(110 votes)

    S1:E1

    High school girl Ruri meets graduate student Nagi while collecting minerals in the mountains.

    Director:Shingo Fujii
    Writer:Michiko Yokote

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  2. Ruri Rocks Season 1 Episode 10 - Sentence to an Abandoned Railroad
    8.2/10(55 votes)

    S1:E10

    Imari leads a hunt for manganese ore, when the group encounters a mystery along abandoned railroad tracks.

    Director:Akie Ishii
    Writer:Michiko Yokote

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  3. Ruri Rocks Season 1 Episode 3 - The Lost Planet
    8.5/10(83 votes)

    S1:E3

    Ruri meets Nagi's colleague Imari, and the three embark on a journey to find a lost mine.

    Director:Akie Ishii
    Writer:Michiko Yokote

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  4. Ruri Rocks Season 1 Episode 4 - Study of Sands
    8.5/10(70 votes)

    S1:E4

    In search of sapphire, Nagi teaches Ruri how to study sand, but Ruri prefers to hunt on a bigger scale.

    Director:Yurika Tsushima
    Writer:Michiko Yokote

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  5. Ruri Rocks Season 1 Episode 5 - Worlds Seen and Unseen
    8.6/10(66 votes)

    S1:E5

    Ruri, Nagi, and Imari head to the beach in search of agate, and Ruri learns about the long lifecycle of rocks.

    Director:miton
    Writer:Naoto Taniuchi

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  6. Ruri Rocks Season 1 Episode 6 - A Closer Look into the Blue
    8.6/10(59 votes)

    S1:E6

    Just as the group begins searching for sapphire on foot, Ruri uncovers a grave mistake that halts their plans.

    Director:Hironori Tanaka
    Writer:Miharu Hirami

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    The 20 BEST Episodes of Ruri Rocks

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  7. Ruri Rocks Season 1 Episode 8 - The Golden Elegy
    8.6/10(57 votes)

    S1:E8

    Ruri teams up with Shoko for a science project, which takes a turn when they discover a strange, orange rock.

    Directors:Yasuhiko Akiyama, Tomio Yamauchi
    Writer:Miharu Hirami

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  8. Ruri Rocks Season 1 Episode 2 - The Value of Golden Color
    8.7/10(90 votes)

    S1:E2

    Ruri is determined to find gold, but Nagi explains that it might not be as likely as she hopes.

    Director:Yasuhiko Akiyama
    Writer:Michiko Yokote

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  9. Ruri Rocks Season 1 Episode 9 - Time Capsule of 1.9 Million Tons
    8.8/10(63 votes)

    S1:E9

    Ruri and Nagi head out to hunt for opals but discover that the area has already been fully excavated.

    Director:miton
    Writer:Naoto Taniuchi

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  10. Ruri Rocks Season 1 Episode 11 - The Sapphire Cradle
    8.8/10(55 votes)

    S1:E11

    When Ruri has trouble deciding on her future, she turns to her study of sapphire.

    Director:Yurika Tsushima
    Writer:Miharu Hirami

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  11. Ruri Rocks Season 1 Episode 7 - Seaside Recycling Studio
    8.9/10(62 votes)

    S1:E7

    Ruri finds sea glass on the beach and runs into her classmate Shoko, who has a secret passion for minerals.

    Director:Masaho Hori
    Writer:Shingo Fujii

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  12. Ruri Rocks Season 1 Episode 12 - Memories Come with Rocks and Noise
    8.9/10(55 votes)

    S1:E12

    When Ruri discovers her grandpa's old crystal radio, she's determined to restore it.

    Director:Ayumu Uwano
    Writers:Michiko Yokote, Shingo Fujii

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  13. Ruri Rocks Season 1 Episode 13 - Look Up, Examine, Search! And Next!
    9.0/10(60 votes)

    S1:E13

    Ruri, Shoko, Nagi, and Imari take a trip together, where they search for meteorite at a hot springs inn.

    Director:Shingo Fujii
    Writer:Michiko Yokote

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Worst Episodes Summary

"My First Mineral Hunt" is the worst rated episode of "Ruri Rocks". It scored 8.2/10 based on 110 votes. Directed by Shingo Fujii and written by Michiko Yokote, it aired on 7/6/2025. This episode scored 0.0 points lower than the second lowest rated, "Sentence to an Abandoned Railroad".