Pokémon the Series: XY

Pokémon the Series: XY is the seventeenth overall season and the first season of the Pokémon XY series. It features Ash Ketchum and Pikachu as they venture into the Kalos region where they meet new friends, Clemont and Bonnie, and where Ash reunites with his childhood friend, Serena. Ash will catch new Kalos Pokémon, and make new rivals along the way to compete in the Kalos League and learning about the secrets of Mega Evolution. It began airing in Japan in October 17, 2013 and in North America on October 19, 2013 as a sneak preview and on January 18, 2014 in sequence.

Major

 * Ash Ketchum
 * Serena
 * Clemont
 * Bonnie
 * Professor Sycamore
 * Diantha
 * Nurse Joy
 * Officer Jenny
 * Jessie
 * James
 * Shauna
 * Tierno
 * Trevor
 * Aria

Ash's

 * Pikachu
 * Froakie → Frogadier
 * Fletchling → Fletchinder
 * Hawlucha
 * Goomy → Sliggoo → Goodra

Serena's

 * Fennekin → Braixen
 * Pancham

Clemont's

 * Bunnelby
 * Dedenne
 * Magnemite
 * Magneton
 * Heliolisk
 * Chespin
 * Luxio → Luxray

Team Rocket's

 * Meowth
 * Wobbuffet
 * Inkay
 * Pumpkaboo

Trivia

 * This is the second series to have a sneak preview. The first was a sneak peek of Pokémon Advanced.
 * This series include the vs. player overview images before the battle.
 * This is the second time in the Pokémon anime series that two of Ash's traveling companions that includes an older and younger sibling. The first time was with the Pokémon: Advanced Generation with May and Max.
 * However, both of the siblings are based on their game counterparts. May was based off of hers, but Max never had a direct game counterpart (he was indirectly based on the School Boy trainer class).