Pokémon — Episode 74: The Ancient Puzzle of Pokémopolis

You are watching the episode The Ancient Puzzle of Pokémopolis While training, Ash and his friends accidentally uncover the ruins of Pokémopolis, an ancient city. After a bit of research, they find a giant Gengar and a giant Alakazam starting to fight. Then, a giant Jigglypuff appears to put them to sleep.