The Kecleon Caper

On the way to Olivine City, a blimp lands in the town that Ash and friends are in. It turns out that there are two sick Pokemon on board and Brock is allowed to treat them. The two pokemon are Kecleon, and after being healed they go on a hiding spree. Not knowing whether or not if they are on the blimp, Ash, Misty, and Brock decide to help find them.