pokemon - Why was Ash's Pokedex replaced? - Anime & Manga Stack Exchange

At the end of the Orange League season (Episode 118 "The Rivalry Revival"), when Ash talks with Professor Oak and decides to continue travelling to the Johto region, Prof. Oak gives him a new Pokéd

Apart from Togepi and Ho-oH, What out-of-season pokemon have there been? - Anime & Manga Stack Exchange

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pokemon - What makes an Ultra Ball different from the basic Poké Ball? - Anime & Manga Stack Exchange

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pokemon - Who kissed Ash at the the end of Pokémon Heroes? - Anime & Manga Stack Exchange

In Pokemon, is Ash Ketchum's father leader of the team rocket? - Quora

Apart from Togepi and Ho-oH, What out-of-season pokemon have there been? - Anime & Manga Stack Exchange

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