Pok?mon the Movie: Secrets of the Jungle

In the Forest of Okoya, Koko is a feral child who has been raised as a Pok?mon by the Mythical Pok?mon Zarude. Koko has grown up never doubting that he is a Pok?mon even though he can't really use any sort of moves. Ash Ketchum and Pikachu meet Koko and help him protect the Great Tree from the crooked scientist Dr. Zed.