Episode 52 - The Brilliant Gemstone

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.

Summary
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!?

Characters

 * Hibiki Tenshō
 * Aine Yūki
 * Mio Minato
 * Maika Chōno
 * Ema Hinata
 * Sakuya Shirayuri
 * Kaguya Shirayuri
 * Alicia Charlotte
 * Coco
 * Natsu
 * Hiro
 * Mana
 * Charles Charlotte

Trivia

 * 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.