The Telubi-kun magazine revealed that Ash and Pikachu will be returning to the Kanto region in the Pokémon Sun & Moon anime. According to the translation, provided by Serebii, Ash and Pikachu will be returning to Kanto briefly for a school project and will visit his old Pokémon and friends in two upcoming episodes, airing on September 14 and September 21 in Japan.
Ash will be battling once again with his two companions, Brock and Misty. Brock will be using a Mega Steelix and Misty with Mega Gyarados.