Pokémon: Advanced Generation · Advanced Battle arc
AG137 · Hooked on Onix
イワークの王国！！
Synopsis
What happens.
On his way to the Battle Arena, Ash admires the Knowledge Symbol he received as an award for his victory over Noland. When the water canteen becomes empty, Brock suggests they go search for water while Max and Pikachu look after the Pokémon while he is gone.
Synopsis adapted from Bulbapedia's AG137 entry, used under CC-BY-NC-SA 2.5.
Story arc · AG093-AG145
Advanced Battle.
Hoenn League prep. Ash completes the badge set; Team Aqua / Magma plot escalates with Kyogre and Groudon. Climax: Hoenn League at Ever Grande City.
Read the full Advanced Generation guidePokémon featured · 19
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 Battle.
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.