Ash and his friends learn that the Kalos League will be held in Lumiose City.
The sound of a Mega Evolved Pokémon reverting to its regular form is used when Ash-Greninja returns to its normal form.
In the Japanese version, no one reads the title card of this episode. However, in the dub, Ash reads the title card.
Ash's Greninja remains outside of its Poké Ball for the entire episode.
Ash and Greninja perfect the Ash-Greninja form.