Pokémon the Series: XYZ

Pokémon XY & Z will be the ninteenth overall season and the third season of the Pokémon XY series. It features Ash Ketchum, his Pikachu, the two siblings from Lumiose City, Clemont and Bonnie, and his old childhood friend, Serena as they continue their adventures in the Kalos region, catching new Kalos Pokémon, and learning more new secrets of Mega Evolution. It will premiere on 29 October, 2015 in Japan.

Major

 * Ash Ketchum
 * Serena
 * Clemont
 * Bonnie
 * Nurse Joy
 * Jessie
 * James

Ash's

 * Pikachu
 * Frogadier
 * Talonflame
 * Hawlucha
 * Noibat

Serena's

 * Braixen
 * Pancham
 * Eevee

Clemont's

 * Bunnelby
 * Dedenne
 * Chespin
 * Luxray

Team Rocket's

 * Meowth
 * Wobbuffet
 * Inkay
 * Gourgeist

Source
Serebii