Pikachu, What's This Key? (Japanese: ピカチュウ、これなんのカギ? Pikachu, What's This Key For?) is the 26th Pikachu short of the Pokémon anime. It debuted alongside Pokémon the Movie: Diancie and the Cocoon of Destruction. It became available to watch throughPokémon TV on February 2, 2015.
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