|This article is a stub. You can help Aikatsu Friends! Wiki by expanding it.|
|The Brilliant Gemstone|
|English||The Brilliant Gemstone|
|Japanese Air Date||April 11, 2019|
|Episode Director||Takahiro Hasui|
|Animation Director||Takurō Shinbo|
|Opening||I'm Not Alone!|
|Insert Song||The World is Spinning|
|← An Idol from Space||Hibiki's Showtime! →|
The Brilliant Gemstone (かがやきの原石) is the fifty-second episode of the Aikatsu Friends! anime series and the second episode of its second season. It aired on April 11th, 2019.
Mio is searching for a method to make Pure Palette shine more than ever. At that time, Hibiki gets everyone to challenge Spa-Katsu. Spa-Katsu was harder than everyone could have imagined, it was a tough battle! Following that, it was revealed that the Friends group that Hibiki was previously in was!?
- Hibiki Tenshō
- Aine Yūki
- Mio Minato
- Maika Chōno
- Ema Hinata
- Sakuya Shirayuri
- Kaguya Shirayuri
- Alicia Charlotte
- Charles Charlotte
- The song The World is Spinning debuts as an insert song in this episode.
- The Material Sapphire Coord and Chill Snow Coord make their debut in this episode.
- The Green Illuminer Coord makes a cameo appearance in this episode.
- This episode marks the debut of Alicia's brother, Charles Charlotte.
- Main article: Episode 52 - The Brilliant Gemstone/Image gallery