Gladion is set to make his anime debut via Pokémon the Series: Sun & Moon on May 18 in Japan. Ash, Lillie and Rockruff will confront him alongside Lycanroc and Umbreon. When this episode will air outside Japan remains to be seen, but stay tuned for any updates. Gladion is officially known as the taciturn enforcer of Team Skull. He places a high value on being strong in battle.
Source: BulbaNewsNOW
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