Pokemon Diamond & Pearl (dub): Season 13 - EPISODE 1

 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.   Pokémon (Pocket Monsters) - Diamond & Pearl (Serises III).  Pokemon - Season 10 - Diamond and Pearl : Episodes 470 - 521. Pokemon - Season 11 - Diamond and Pearl : Battle Dimension : Episodes 522 - 573. Pokemon - Season 12 - Diamond and Pearl : Galactic Battles : Episodes 574 - 626. Pokemon - Season 13 - Diamond and Pearl : Sinnoh League Victors : Episodes 627 - 660.