Pokémon 3: The Movie.

Young Molly Hale is a 5-year old girl who has lost her father to the Unown, a strange group of Pokémon who can make a person's dreams real by using their Psychic energy. One day she accidently releases the Unown, and they begin to answer Molly's wishes; first by creating Entei, a legendary lion-like Pokémon who Molly then thinks is her father…