Where can I watch “Ruri Rocks” Season 1 Episode 4 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

Do I need to watch earlier episodes before “Study of Sands”?

Watching earlier episodes in season 1 helps you follow the plot and character arcs leading into this episode.

Watch Ruri Rocks Season 1 Episode 4 Online

“Study of Sands” — Watch "Ruri Rocks" Season 1 Episode 4 online in HD for free. Check streaming providers, cast, and episode details.

Jul 27, 2025 Season 1 Episode 4 24 min M

7.5 ★ ★ ★ ★ ★

2 votes

Ruri Rocks Season 1

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Season 1 Episode 4 — Aired on Jul 27, 2025 • runs about 24 minutes.

Directed by Yurika Tsushima.

Written by Michiko Yokote.

Notable cast/guest names in this episode include Miyari Nemoto, Asami Seto.

This page includes 4 official still(s) (when available) plus legal availability links.

Looking for “watch Ruri Rocks Season 1 Episode 4 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

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

Stills

Still from Ruri Rocks - Season 1 Episode 4

Cast

Miyari Nemoto

as Ruri Tanigawa (voice)

Asami Seto

as Nagi Arato (voice)

Episodes – Season 1

1 - 1

My First Mineral Hunt

Jul 6, 2025

1 - 2

The Value of Golden Color

Worlds Seen and Unseen

Aug 3, 2025

1 - 6

A Closer Look into the Blue

Aug 10, 2025

1 - 7

Seaside Recycling Studio

Time Capsule of 1.9 Million Tons

Aug 31, 2025

1 - 10

Sentence to an Abandoned Railroad

Memories Come with Rocks and Noise

Sep 21, 2025

1 - 13

Look Up, Examine, Search! And Next!

Sep 28, 2025

Trailer / clip

There�s no trailer available for this series right now.