Poketto monsutâ Challenge of the Samurai Boy! (1997– ) HD online

While wandering through Tokiwa Forest, a Samurai challenges Satoshi to a battle, and it turns out to be Toranseru vs. Toranseru. After a short time, a swarm of Spear attacks, and Satoshi's Toranseru is taken by them. Satoshi is able to rescue his Toranseru and it evolves once more into Butterfree.

Episode cast overview, first billed only:
	Rikako Aikawa	-	Caterpie / Butterfree (voice)
	Inuko Inuyama	-	Nyarth (voice)
	Unshô Ishizuka	-	Narrator (voice)
	Rodger Parsons	-	Narrator (voice) (as Ken Gates)
	Mayumi Izuka	-	Kasumi (voice) (as Mayumi Iizuka)
	Megumi Hayashibara	-	Pidgeotto / Musashi (voice)
	Rica Matsumoto	-	Satoshi (voice)
	Ted Lewis	-	James (voice)
	Rachael Lillis	-	Misty / Jessie (voice) (as Rachel Lillis)
	Shin'ichirô Miki	-	Weedle (voice) (as Shinichiro Miki)
	Ikue Ôtani	-	Pikachu (voice) (as Ikue Otani)
	Matthew Sussman	-	Meowth (voice) (as Nathan Price)
	Eric Stuart	-	Metapod (voice)
	Nick Stellate	-	Pokédex (voice) (as Nicholas James Tate)
	Veronica Taylor	-	Ash Ketchum (voice)

Ash's Metapod evolves into Butterfree.