Pokemon Season 1 Episode 4 - Challenge of the Samurai

⁣Ash and Misty are now wandering through Viridian Forest. A Samurai
challenges Ash to a battle, and it turns out to be Metapod vs. Metapod.
After a short time, a swarm of Beedrill attacks, and Ash's Metapod is
taken by them. Can Ash get his Pokémon back from them or will it be
doomed to live its life without Ash? Also, Ash's Metapod evolves into a
beautiful Butterfree.