Ep 21. The Lost World of Gothitelle!

Ash and his friends are on their way to Nimbasa City, where Ash is set to participate in yet another gym battle. But their journey takes an unexpected turn when they stumble upon a mysterious village hidden deep in the forest. The village seems deserted at first, but as they explore further, they realize that its inhabitants are actually Pokémon, and not just any Pokémon, but the rare and powerful Psychic-type Gothitelle.

The villagers, all Gothitelle, are welcoming to the group and allow them to stay in their village for the night. However, strange things begin to happen when they find out that the village is protected by a powerful barrier that blocks all communication signals. The village guardian, a giant and ancient Gothitelle, tells Ash and his friends that they are not allowed to leave until they solve the mystery of the village's disappearing Pokémon.

Ash and his friends soon find themselves on a dangerous journey through a dense and murky forest, where they come across a group of malicious and shadowy Pokémon that seem to be behind the village's misfortunes. The group's strength and resolve is put to the test as they fight their way through the forest, discovering the secrets of the lost world of Gothitelle.

With determination and perseverance, they eventually discover the source of the shadowy Pokémon's power. The villainous Pokémon had been feeding on the energy of the village's inhabitants, draining them of their life force and causing them to disappear. With the help of the villagers and the powerful Guardian Gothitelle, Ash and his friends are able to defeat the shadowy Pokémon and restore balance to the lost world.

The Lost World of Gothitelle! is a thrilling episode that showcases the strength and intelligence of some of the most rare and powerful Pokémon in the world. Ash and his friends are pushed to their limits, but with teamwork, determination, and their trusty Pokémon by their sides, they are able to overcome every obstacle in their path. The episode is packed with action, adventure, and mystery that will keep viewers on the edge of their seats from start to finish. It is a must-watch for fans of the Pokémon series who crave excitement and a good challenge.