Pokémon: The Original Series · Master Quest arc
EP222 · The Mystery Is History
なぞのポケモンX!!
Synopsis
What happens.
Dr. Namba, Butch and Cassidy gaze at their captured Lugia and whisk the child off to another room. Ash and Ritchie are determined to fulfill their promise to Lugia, but with their Poké Balls separated from them, the situation looks dire.
Synopsis adapted from Bulbapedia's EP222 entry, used under CC-BY-NC-SA 2.5.
Story arc · EP213-EP274
Master Quest.
Ash completes Johto, then enters the Silver Conference. Defeats rival Gary Oak before losing to Harrison in the Top 8. The original trio splits at the end. End of an era.
Read the full Original guidePokémon featured · 17
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 Master Quest.
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.