May's Silcoon is revealed to know Tackle, Jessie's Cascoon is revealed to know Tackle and Harden, May's Silcoon evolves into Beautifly and learns Gust, Jessie's Cascoon evolves into Dustox and learns Psybeam, Prof. Birch leaves the group.
After the ordeal in the last episode, Ash and co. continue training and are joined by Prof. Birch. May is so happy that her Silcoon will soon evolve. Elsewhere Jessie is still in denial of the fact that her "Silcoon" is really a Cascoon. After a fierce battle, Silcoon evolves into Beautifly and blows away Team Rocket with a Gust attack. How will Jessie get her "Silcoon" to evolve and how will she take it if it doesn't evolve into what she wanted?
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