IL024: Haunter Versus Kadabra

 Haunter Versus Kadabra (Japanese: ゴーストVSエスパー！Gōsuto VS Esupā!, lit. Ghost VS Esper! or Haunter VS Kadabra!) is the 24th episode of the Pokémon anime and of Pokémon: Indigo League.

Synopsis
After catching a Haunter at Pokémon Tower, Ash and the group return to Saffron City, ready to try again for the Marsh badge in the gym. When Ash challenges Sabrina's newly evolved Kadabra, Haunter is missing. Sabrina turns Brock and Misty into dolls and the mysterious man who turns out to be Sabrina’s father saves Ash and Pikachu. Later, Ash finds Haunter having ruined another plan of Team Rockets’ and Ash goes back to the gym. Haunter disappears again and this time Sabrina won’t let them leave. Pikachu agrees to fight anyway and just as the match begins, Haunter appears in front of Sabrina. Haunter plays a few jokes on Sabrina and makes Sabrina laugh for the first time since she began training. Kadabra’s mind still linked to Sabrina, he starts laughing too and Pikachu is declared the winner. Ash and the group leave Sabrina, her father, and Haunter and continue on their way as Ash has the Marsh badge.

Trivia

 * The book  Night in the Haunted Tower  is based on this episode.
 * The Marsh Badge that Ash earns in this episode is his fourth badge. However,from the traditional sequence of gyms, the Marsh Badge is officially the sixth badge that the player earns in the games.

Pokémon: Indigo League episodes