Color Pandora, Guardian of the Forest Monster Farm: Enbanseki no himitsu : Season 2 Episode 28

Genki and the group enter Naga's territory, which is also the Color Pandoras' forests. Naga sends Stone Dragon to destroy them. Meanwhile, the group falls into one of the Color Pandora's traps. They eventually understand each other, and work together to trap Stone Dragon. But when Stone Dragon breaks free, Color Pandora then turns him into a Lost Disc...