Currently available on 2 streaming services.

Streaming, rent, or buy Rio: Rainbow Gate! – Season 1:

Currently you are able to watch "Rio: Rainbow Gate! - Season 1" streaming on Tubi TV for free with ads or buy it as download on Amazon Video.

Cast

Marina Inoue
Rio Rollins Tachibana
Ayana Taketatsu
Mint Clark
Chiaki Takahashi
Rina Goltschmidt Tachibana
Eri Kitamura
Misery