Ep. 123: Illusion Confusion!
Ipinalabas noong Nobyembre 11, 1999
123
Heading into a forest which is inhabited by a ghost Pokémon, Ash and company get tricked by illusions, but Gary tells them to see through them by getting a Hoothoot. Ash goes to get one and when he finds the rental place, he discovers the Hoothoot he can rent is a rowdy one. (Source: Wikipedia)