قسمت 23: Ash برای مقابله با یک حریف Psychic در Lavender Town به دنبال یک Pokémon Ghost می‌گردد.

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Ash realizes that he must battle and collect a ghost Pokémon in order to defeat the young girl's psychic Pokémon. In search of a ghost Pokémon, he heads immediately for a tower in Lavender Town where they are said to dwell. Jessie, James and Meowth from Team Rocket are already at the tower, but as they lay in wait for our heroes, they are attacked by Gastly, Haunter and Gangar. In the process of trying to defeat the ghost Pokémon, Ash learns a lesson or two about the mystical spirit world. Can Ash capture a ghost Pokémon and if so, will it be enough to defeat the psychic Gym Leader of Saffron City? (Source: Official site)