The third series of the Pokémon anime and is based on the events of the Generation IV core series Pokémon games. It follows Pokémon the Series: Ruby and Sapphire and was succeeded by Pokémon the Series: Black & White. It ran from September 28, 2006 to September 9, 2010 in Japan and from June 4, 2007 to February 5, 2011 in the United States.
Like the previous series, this series begins with Ash Ketchum beginning his journey by himself, this time through the Sinnoh region, aiming to conquer the Sinnoh League. His longtime companion Brock eventually rejoins him, as does Dawn, a rookie Pokémon Coordinator from Twinleaf Town who wishes to follow in the footsteps of her mother and gain the title of Top Coordinator.
