Frontier Brain/Anime

The Frontier Brains were first mentioned by Scott in The Scheme Team when he told about the. The first Frontier Brain, Noland, debuted in Numero Uno Articuno. Over the course of the ninth season, the other six Generation III Frontier Brains also made their appearances at their respective facilities. Brandon reappeared in the episodes A Pyramiding Rage! and Pillars of Friendship!. Scott also inferred that they were at least at the level of the Elite Four member Agatha, as both he and Agatha recommended that Ash challenge them shortly after his fight with her.

Palmer is the only Generation IV Frontier Brain to have appeared in the anime, debuting in Historical Mystery Tour!. In the next episode, Ash battled Palmer at the Twinleaf Festival, but was defeated. Palmer also made cameo appearances in Arceus and the Jewel of Life and Zoroark: Master of Illusions. Caitlin, the employer of Castle Valet Darach who oversees all of the battles conducted at the Battle Castle in the Generation IV games, appeared in Jostling for the Junior Cup! as a member of the Unova Elite Four, facing off against Cynthia in an at the start of the Pokémon World Tournament Junior Cup.