Pokémon Season 11 Episode 20
Ash and Pikachu encounter a trainer who wants to have all the evolutionary forms of a pikachu. He challenges them to a battle. Pikachu's no match for the trainer richu. Ash and Pikachu want a re-match. Ash breaks out the Thunderstone he got back in the Indigo league, will Pikachu evolve for the re-match?
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