Pokémon the Series: XY / XYZ · XY arc
XY028 · Heroes - Friends and Faux Alike!
ジャジャーン！ニセ サトシ現る！！
Synopsis
What happens.
Ash and his friends notice a poster advertising an exhibition battle featuring the Kalos Pokémon Champion, Diantha. The others tell Ash, who has never heard of Diantha before, that Diantha is not only the strongest Trainer in Kalos, but she is also a famous actress.
Synopsis adapted from Bulbapedia's XY028 entry, used under CC-BY-NC-SA 2.5.
Story arc · XY001-XY049
XY.
Ash arrives in Kalos with Pikachu; meets Serena, Clemont, and Bonnie. Picks up Froakie. Lumiose Gym puzzle introduces Clemont. Sycamore's lab introduces Mega Evolution.
Read the full XY guidePokémon featured · 20
Who appears.
Linked entries open the species page on the Pokédex. Items without a sprite (alternate forms, regional variants, generic group references) fall back to a name pill.
More from this arc
Other episodes in XY.
Episode synopsis from Bulbapedia, CC-BY-NC-SA 2.5. Editorial context (arc affiliation, cultural moments, character signatures) hand-verified May 2026. Pokémon, character names, and series titles © Nintendo, Game Freak, Creatures Inc., The Pokémon Company, OLM Inc. This is an unofficial fan reference.