Pikachu takes a day to explore the big city where he befriends a couple of Pichu and other pokémon, helping them along the way. All the while, Ash is preparing a special surprise for him.Pikachu takes a day to explore the big city where he befriends a couple of Pichu and other pokémon, helping them along the way. All the while, Ash is preparing a special surprise for him.Pikachu takes a day to explore the big city where he befriends a couple of Pichu and other pokémon, helping them along the way. All the while, Ash is preparing a special surprise for him.