Bye Bye Butterfree
S01E21 - Airdate: 1997-08-19
Runtime: 22 min
As the group continue on their way, they notice a group of Butterfree out over the ocean. Brock informs Ash that it is the mating season for all of the Butterfree. Ash lets his Butterfree out to try and find a mate, but can he actually come to let his Butterfree go? Meanwhile, Team Rocket comes up with a plan to get all the Butterfree.
Episode details and rating from TVmaze.