Sky Pretty Cure ~Rainbow Star~ (スカイプリキュア〜Rainbow Star〜 Sukai Purikyua 〜 Reinbō Sutā 〜?) is the second season of the Series. In this season, two new Cures join the Sky Pretty Cure team and together they form a complete rainbow. They also gain new powers by receipting new items and weapons. Like the predecessor, ~Rainbow Star~ includes funny scenes and discussions also romantic as well as the girls start thinking about their futures.
After the Pretty Cures have defeated Catastrophe and thought that they had saved the world of light, a new threat appears. Known as Black Diamond, the lady announces that she will make sure to defeat the forces of Pretty Cure. Feeling this crisis, two fairies from Skyriver went to earth along with the Rainbow pact to support the Sky Pretty Cures. But as they arrived, they were almost captured by Black Diamond. However, the two fairies were saved as new Pretty Cures appear...!
- Main article: Sky Pretty Cure ~Rainbow Star~ Episodes
- Main article: List of Voice Actors
- Main article: Sky Pretty Cure ~Rainbow Star~ Merchandise
- ~Rainbow Stars~ Pretty Cure (Opening)
- Dancing on Clouds (1st Ending; ep. 01 - 25)
- Rainbow Staff Roll (2nd Ending; ep. 27 - 46)