Pokémon the Series: Diamond and Pearl
Pocket Monsters Diamond & Pearl · ポケットモンスター ダイヤモンド&パール
Synopsis
After defeating Brandon and declining the offer to be a Frontier Brain, Ash sets off to travel through the far away land of Sinnoh. Once he gets there, he meets up with Hikari, a local trainer from the region, and they decide to travel together.
Studios: OLM, Nintendo Co. Ltd., Shogakukan-Shueisha Productions, SoftX, TV Tokyo, The Pokemon Company International, Viz Media
Source: VIDEO_GAME