Diamond Heart
The team discovers a giant pile of petrification devices. They take them apart to see what makes them tick.

Cast
Yusuke KobayashiSenku Ishigami (voice)
Makoto FurukawaTaiju Oki (voice)
Kana IchinoseYuzuriha Ogawa (voice)
Manami NumakuraKohaku (voice)
Gen SatoChrome (voice)
Kengo KawanishiAsagiri Gen (voice)
Ryota SuzukiNanami Ryuusui (voice)
Karin TakahashiSuika (Voice)Dr. STONE on tvt

