In the semi-finals of the Pokémon Showcase Master Class, Serena comes out ahead of Jessie and Shauna to challenge Aria for the crown of Kalos Queen! As Palermo watches, Serena gives a spectacular performance with all three of her Pokémon partners. But Aria successfully defends her title—and then asks Serena to perform with her again sometime!
Afterward, Palermo meets with Serena, who is clearly still fired up to become Kalos Queen. Palermo is impressed with her progress and offers to be her mentor! After some thought, Serena decides to continue her journey with Ash and the others for now—but Palermo says the offer is good whenever she’s ready!