Pokémon Evolution! That Mystery and Wonder!! (Season 8, Episode 50)
TV-Y
TV Episode | 22 min | Animation, Action, Adventure

Primary photo for Evolution! That Mystery and Wonder!!

Pokémon

Evolution! That Mystery and Wonder!! (Season 8, Episode 50)

TV-Y

TV Episode | 22 min | Animation, Action, Adventure

On their way to Saffron City, Ash and his friends encounter a Caterpie and its Trainer-in-training, Xander, who mistakes them for lab robbers. Fortunately, Dr. Gordon, the lab owner and Xander's teacher, shows up and things are sorted out....See moreOn their way to Saffron City, Ash and his friends encounter a Caterpie and its Trainer-in-training, Xander, who mistakes them for lab robbers. Fortunately, Dr. Gordon, the lab owner and Xander's teacher, shows up and things are sorted out. The kids visit Dr. Gordon's lab, where he makes all kinds of strange inventions. Of course, Team Rocket wants to steal them all! Caterpie helps catch them in the act, but in the process, Dr. Gordon's briefcase opens and blue candies roll out. Caterpie eats some and grows until it's big enough to send Team Rocket blasting off. The Mystery Candy Complete keeps Caterpie growing until it's bigger than a building! The giant Caterpie heads into town as people flee in a panic. Climbing the local radio tower, it then evolves into Metapod. Elsewhere, Team Rocket discovers that Wobbuffet stole some Mystery Candy too, so they head back into town and kidnap Dr. Gordon. The Candy makes Dustox and Cacnea huge--Dustox is so big that Team Rocket hops on its back and flies away with Dr. Gordon! Metapod evolves into a giant Butterfree just in time for Ash and Xander to give chase. After some aerial maneuvers, Dustox suddenly shrinks back to normal size. Butterfree catches it but Team Rocket plummets into a pond. No sooner do they emerge than Officer Jenny arrives with Ash's friends, and when Team Rocket puts up a fight, Pikachu and Butterfree send them on their way once more. Eventually Butterfree returns to normal size too, and Ash says farewell to Xander and his newly-evolved friend--as well as Dr. Gordon, who's now more enthusiastic about his inventions than ever! See less

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Cast	+ Add Cast
30 cast members

Name	Known for
Veronica Taylor Ash Ketchum / May (voice) (version: English) Ash Ketchum / May (voice) (version: English) See fewer	Pokémon: The First Movie - Mewtwo Strikes Back (1998)
Eric Stuart Brock / James / Metapod / Pokédex (voice) (version: English) Brock / James / Metapod / Pokédex (voice) (version: English) See fewer	Yu-Gi-Oh!: The Dark Side of Dimensions (2016)
Rachael Lillis Jessie / Jigglypuff mike (voice) (version: English) Jessie / Jigglypuff mike (voice) (version: English) See fewer	Pokémon (1997)
Madeleine Blaustein Meowth (voice) (version: English) (as Maddie Blaustein) Meowth (voice) (version: English) (as Maddie Blaustein) See fewer	Pokémon: The First Movie - Mewtwo Strikes Back (1998)
Amy Birnbaum Max / Dustox (voice) (version: English) Max / Dustox (voice) (version: English) See fewer	Yu-Gi-Oh!: The Dark Side of Dimensions (2016)
Ikue Ôtani Pikachu (voice) (as Ikue Ohtani) Pikachu (voice) (as Ikue Ohtani) See fewer	Pokémon (1997)
Suzanne Goldish Actress (voice) (version: English) Actress (voice) (version: English) See fewer	Koala Man (2023)
Wayne Grayson Dr. Gordon (voice) (version: English) Dr. Gordon (voice) (version: English) See fewer	Teenage Mutant Ninja Turtles (2003)
Rebecca Honig Xander (voice) (version: English) Xander (voice) (version: English) See fewer	Sonic X (2003)
Erica Schroeder Chimecho (voice) (version: English) (as Bella Hudson) Chimecho (voice) (version: English) (as Bella Hudson) See fewer	One Piece (1999)
Jamie Davyous Owens Officer Jenny (voice) (version: English) Officer Jenny (voice) (version: English) See fewer	Pokémon (1997)
Christopher Collet Actor (voice) (version: English) (as Andrew Paull) Actor (voice) (version: English) (as Andrew Paull) See fewer	Sleepaway Camp (1983)
Mike Pollock Narrator (voice) (version: English) Narrator (voice) (version: English) See fewer	A Cat in Paris (2010)
Kayzie Rogers Wobbuffet (voice) (version: English) Wobbuffet (voice) (version: English) See fewer	Pokémon: The First Movie - Mewtwo Strikes Back (1998)
Michael Sinterniklaas Seviper (voice) (version: English) Seviper (voice) (version: English) See fewer	Your Name. (2016)
Lindsey Warner Cacnea (voice) (version: English) Cacnea (voice) (version: English) See fewer	Pokémon: Lucario and the Mystery of Mew (2005)
Chô Dr. Gordon (voice) (as Yûichi Nagashima) Dr. Gordon (voice) (as Yûichi Nagashima) See fewer	Samurai Sentai Shinkenger (2009)
Tomoe Hanba Zenkichi (voice) Zenkichi (voice) See fewer	Fullmetal Alchemist: Brotherhood (2009)
Megumi Hayashibara Musashi (voice) Musashi (voice) See fewer	Paprika (2006)
Inuko Inuyama Nyarth (voice) Nyarth (voice) See fewer	Pokémon: The First Movie - Mewtwo Strikes Back (1998)
Unshô Ishizuka Narrator (voice) Narrator (voice) See fewer	Wolf's Rain (2003)
Kaori Haruka (voice) Haruka (voice) See fewer	Nana (2006)
Katsuyuki Konishi Sabonea (voice) Sabonea (voice) See fewer	Gurren Lagann (2007)
Rica Matsumoto Satoshi (voice) Satoshi (voice) See fewer	Pokémon (1997)
Shin'ichirô Miki Kojiro (voice) Kojiro (voice) See fewer	Perfect Blue (1997)
Chinami Nishimura Junsa (voice) Junsa (voice) See fewer	Pokémon: The First Movie - Mewtwo Strikes Back (1998)
Chie Satô Habunake (voice) (as Chie Satou) Habunake (voice) (as Chie Satou) See fewer	Saint Seiya: Knights of the Zodiac (1986)
Yûji Ueda Takeshi (voice) Takeshi (voice) See fewer	Pokémon: The First Movie - Mewtwo Strikes Back (1998)
Kyôko Yamada Masato (voice) Masato (voice) See fewer	Pokémon: Jirachi - Wish Maker (2003)
Rikako Aikawa Caterpie / Butterfree (voice) (uncredited) Caterpie / Butterfree (voice) (uncredited) See fewer	Pokémon: The First Movie - Mewtwo Strikes Back (1998)