Ash Ketchum (Satoshi in the original Japanese series) has just become a Pokémon trainer. He starts off in the Kanto Region. He is stuck with Pikachu because he overslept and missed the standard 3 starter Pokémon. He has a childhood rival named Gary. Ash accidentally destroys a bike belonging to a girl named Misty, who starts to follow him to get her bike back and later becomes a close friend. In the Johto League, Ash is defeated by a Pokémon trainer from the Hoenn region, thus beginning his new journey into the region. Misty leaves Ash's side to take care of the gym along with her sisters, and Brock, who also returns home to resolve naruto shippuden some family issues. Ash changes his outfit before heading to the Hoenn region with only Pikachu, now his best friend. In Hoenn, Ash gets to know May (Haruka in the original Japanese) and her younger brother Max (Masato in the original Japanese), who join in his journey. May is excited by the Pokémon Contests that take place in Kanto and Hoenn, while Max joins the group to gain experience so that one day he will have his own Pokémon and become a Gym Leader like his father Norman, the Gym Leader of Petalburg City. Having solved his problems, Brock who also changed his attire, is back with Ash and video naruto new friends to continue his dream of becoming a Pokémon Breeder. This season, Gary leaves his promising career as a Pokémon Trainer to become a Pokémon researcher. Misty visits the group temporarily at Togepi Kingdom. After Ash becomes champion of the Kanto Battle Frontier, May as well as Drew, Solidad and Harley travel to the Johto region to participate in Pokémon Grand festival held there. Max returns to Petalburg City to get ready for his own pokemon journey and Brock returns to Pewter City. Ash learns of a new region called Sinnoh, where he embarks on a new journey. Ash planned to bring only Pikachu, but Aipom snuck on the boat. Brock comes back a few days later in Sinnoh and they both meet Dawn, a new trainer who hopes to become a great Pokémon Coordinator, like her mother. Ash meets a new rival, Paul who prefers to capture the strongest Pokémon, leaving the weak who are released, in strong contrast to Ash's methods. Ash also meets Gary several of times throughout Sinnoh, and May during the Wallace cup.

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