Rio: Rainbow Gate! The "Howard Resort Hotel" is an entertainment destination where people gather from around the world to grab huge fortunes. In the casino is a beautiful female dealer named Rio Rollins, known far and wide as the "Goddess of Victory". Details Casts Galleries Posters Season Lists Title Rio: Rainbow Gate! Genres Animation Comedy First Air Date 2011-01-04 Last Air Date 2011-03-29 Episode Runtime 00 Hours 25 Minutes Total Season(s) 1 Total Episode(s) on All Seasons 13 Runtime 25 Production Companies XEBEC Marina Inoue... Rio Rollins Tachibana... Ayana Taketatsu... Mint Clark... Chiaki Takahashi... Rina Goltschmidt Tachiban... Eri Kitamura... Misery... Original Size (1920x1080) Original Size (1000x1500) Original Size (1000x1500) Original Size (960x1440) Original Size (640x960) Season 1 13 Episode(s) 2011-01-04