Pokémon 3: The Movie (2000)

In "Pokémon 3: The Movie," Ash Ketchum and his friends journey to a mystical forest where they encounter legendary Pokémon and face a powerful psychic Pokémon called Unown. The central conflict unfolds as a young girl's wishes manifest through the Unown, altering reality and putting both humans and Pokémon in danger. With the help of his loyal Pikachu and other Pokémon friends, Ash must navigate through the illusions of the Unown to save the day.