Pokémon: Advanced Generation · Advanced Challenge arc
AG058 · All Torkoal, No Play
ハガネの谷を突破せよ！コータスVSハガネール！！
Synopsis
What happens.
Eager to reach Mauville City, Brock leads Ash, May, and Max into what he believes is a shortcut. Instead, he manages to get them hopelessly lost in a bleak-looking wilderness, the Valley of Steel.
Synopsis adapted from Bulbapedia's AG058 entry, used under CC-BY-NC-SA 2.5.
Story arc · AG041-AG092
Advanced Challenge.
May enters Hoenn Contests; Ash continues the gym challenge. Includes the Mirage Island filler and Norman's Petalburg Gym battle (a high point of the era).
Read the full Advanced Generation guidePokémon featured · 11
Who appears.
Linked entries open the species page on the Pokédex. Items without a sprite (alternate forms, regional variants, generic group references) fall back to a name pill.
More from this arc
Other episodes in Advanced Challenge.
Episode synopsis from Bulbapedia, CC-BY-NC-SA 2.5. Editorial context (arc affiliation, cultural moments, character signatures) hand-verified May 2026. Pokémon, character names, and series titles © Nintendo, Game Freak, Creatures Inc., The Pokémon Company, OLM Inc. This is an unofficial fan reference.