180 : Showdown In The Ancient Ruins! Sky ...: (dub)

Brandon, the Frontier Brain of the Battle Pyramid, challenges the possessed Ash to a battle. Brandon uses his Regirock against Ash's Sceptile .

This episode is famous for showing a rare "dark" side of Ash. It sets the stage for his final Battle Frontier challenge against Brandon, which takes several episodes to conclude as Ash learns he must rely on his own strength and bond with his Pokémon rather than raw power or ancient artifacts. (Dub) 180 : Showdown in the Ancient Ruins! Sky ...

In this pivotal episode, Ash and his friends discover the Battle Pyramid while traveling through the Kanto region. After accidentally falling into ancient ruins, Ash becomes possessed by the spirit of the evil King of Pokélantis. Key Plot Points Brandon, the Frontier Brain of the Battle Pyramid,

You can watch this and other Battle Frontier episodes on platforms like Prime Video or the official Pokémon TV channel . If you're looking for more info, Abra and the Psychic Showdown | POKÉMON FULL EPISODE 21 It sets the stage for his final Battle

The title you're referring to, , is a fan-translated or early localization title for Episode 180 of the Pokémon: Advanced Generation series (Season 9: Battle Frontier). Officially, the English dub title is " Battling the Enemy Within! " . Episode Overview