Ash's Pikachu/Games/Event distributions/Pikachu in a cap/Sinnoh Cap

This special Pikachu is based on Ash's Pikachu during the. In Japan, the level of Pikachu corresponds to both the debut of the Diamond & Pearl series being during the tenth year of the Pokémon anime and the first movie in the Diamond & Pearl series being the tenth Pokémon movie overall, whereas in Western games, the level of Pikachu corresponds to the debut of the Diamond & Pearl series being during the ninth year of the Pokémon anime in the United States. The Trainer ID number is based on the original air date of the first episode in the Diamond & Pearl series, September 28, 2006, whereas the Western number is based on the air date of the episode in the United States, June 4, 2007.