Koiking! The Secret of Evolution!!
- Episode aired Sep 16, 2000
- TV-Y
- 22m
Ash and friends encounter Quincy T. Quackenpoker, a Pokémon watcher who studies Magikarp.Ash and friends encounter Quincy T. Quackenpoker, a Pokémon watcher who studies Magikarp.Ash and friends encounter Quincy T. Quackenpoker, a Pokémon watcher who studies Magikarp.
Veronica Taylor
- Ash Ketchum
- (English version)
- (voice)
Rachael Lillis
- Misty
- (English version)
- (voice)
- …
Eric Stuart
- James
- (English version)
- (voice)
Madeleine Blaustein
- Meowth
- (English version)
- (voice)
- (as Addie Blaustein)
- …
Ikue Ôtani
- Pikachu
- (voice)
- (as Ikue Otani)
Rikako Aikawa
- Lapras
- (voice)
Rodger Parsons
- Narrator
- (English version)
- (voice)
- (as Ken Gates)
Megumi Hayashibara
- Musashi
- (voice)
Inuko Inuyama
- Nyarth
- (voice)
Unshô Ishizuka
- Gyarados
- (voice)
Mayumi Izuka
- Kasumi
- (voice)
- (as Mayumi Iizuka)
Satomi Kôrogi
- Togepi
- (voice)
Ted Lewis
- Tracey Sketchit
- (English version)
- (voice)
- (as Ed Paul)
Jerry Lobozzo
- Quincy T. Quackenpoker
- (English version)
- (voice)
- (as Lobozzo)
Rica Matsumoto
- Satoshi
- (voice)
Shin'ichirô Miki
- Kojiro
- (voice)
Tara Sands
- Bulbasaur
- (English version)
- (voice)
- (as Tara Jayne)
Tomokazu Seki
- Kenji
- (voice)