The WORST episodes of Ruri Rocks

Every episode of Ruri Rocks ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Ruri Rocks!

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 pair start collecting minerals together, Ruri begins developing a genuine appreciation for science and the beauty of the natural world.

Last Updated: 12/26/2025Network: AT-XStatus: Ended

Sentence to an Abandoned Railroad

7.44

16 votes

#1 - Sentence to an Abandoned Railroad

Season 1 - Episode 10 - Aired 9/7/2025

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

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The Golden Elegy

7.50

18 votes

#2 - The Golden Elegy

Season 1 - Episode 8 - Aired 8/24/2025

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

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Time Capsule of 1.9 Million Tons

7.53

17 votes

#3 - Time Capsule of 1.9 Million Tons

Season 1 - Episode 9 - Aired 8/31/2025

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

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My First Mineral Hunt

7.56

36 votes

#4 - My First Mineral Hunt

Season 1 - Episode 1 - Aired 7/6/2025

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

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The Sapphire Cradle

7.59

17 votes

#5 - The Sapphire Cradle

Season 1 - Episode 11 - Aired 9/14/2025

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

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The Lost Planet

7.71

24 votes

#6 - The Lost Planet

Season 1 - Episode 3 - Aired 7/20/2025

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

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The Value of Golden Color

7.72

25 votes

#7 - The Value of Golden Color

Season 1 - Episode 2 - Aired 7/13/2025

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

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Study of Sands

7.75

24 votes

#8 - Study of Sands

Season 1 - Episode 4 - Aired 7/27/2025

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

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A Closer Look Into the Blue

7.79

19 votes

#9 - A Closer Look Into the Blue

Season 1 - Episode 6 - Aired 8/10/2025

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

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Memories Come with Rocks and Noise

7.81

21 votes

#10 - Memories Come with Rocks and Noise

Season 1 - Episode 12 - Aired 9/21/2025

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

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Worlds Seen and Unseen

7.83

18 votes

#11 - Worlds Seen and Unseen

Season 1 - Episode 5 - Aired 8/3/2025

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

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Seaside Recycling Studio

8.00

18 votes

#12 - Seaside Recycling Studio

Season 1 - Episode 7 - Aired 8/17/2025

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

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Look Up, Examine, Search! And Next!

8.06

16 votes

#13 - Look Up, Examine, Search! And Next!

Season 1 - Episode 13 - Aired 9/28/2025

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

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