46 : Attack Of The Prehistoric Pokemon -

Trapped deep underground, the group discovers living prehistoric Pokémon previously thought to be extinct: Omanyte , Omastar , Kabuto , and Kabutops . These Pokémon are hostile, but they suddenly flee when a much larger predator, Aerodactyl , emerges.

Team Rocket plans to blow up the canyon with dynamite to uncover fossils more quickly. Ash and Squirtle try to stop the fuse, but Pikachu accidentally ignites the explosives with an electric attack. The blast opens a deep chasm, swallowing Ash, Pikachu, and Team Rocket. 46 : Attack of the Prehistoric Pokemon

Episode 46 of the Pokémon anime, is a landmark entry in the Indigo League series. It features the first appearance of Fossil Pokémon and the major evolution of Ash's Charmeleon into Charizard. Plot Summary Trapped deep underground