Pokémon
Ditto's Mysterious Mansion
TV Flash files “Ditto's Mysterious Mansion” as hour 37 of 1220 in the TV Flash guide — Pokémon (1998–present (U.S.)) on Kids' WB/Syndication, season 1, episode 37, aired 1997-12-09, 22 min.
From the desk
How this hour is filed
This leaf is S01E37: listed hour 37 of 1220 in the Pokémon guide, hour 37 of 82 in season 1. It aired 1997-12-09 (22 min). The listed hour before it is “The Bridge Bike Gang” (S01E36). Next is “Electric Porygon Soldier” (S01E38). Broadcast log — titles and dates, not a plot bible.

Catalog log
Broadcast listing — not a TV Flash recap.
Ash and the other seek shelter from the rain inside an abandoned theater house. However, it turns out that the place is not abandoned, as they meet a young girl named Duplica that likes to mimic people. Duplica loves to put on acts wit her Ditto, but she has one small problem. When her Ditto transforms, it can't change its face. Ash, Misty, and Brock decide to do anything they can to help her, though their efforts come up short. Meanwhile, Team Rocket plan to steal Ditto so that they can have it transform into Dratini for Giovanni.
Viewer FAQ
Where does Ditto's Mysterious Mansion sit in the Pokémon guide?
S01E37 is listed hour 37 of 1220 — hour 37 of 82 in season 1, season 1 episode 37.
When did Pokémon S01E37 air?
Ditto's Mysterious Mansion aired 1997-12-09 and is listed at 22 minutes.
Do I need the games first?
The TV series is one engine with the games and cards, not a homework prerequisite. U.S. breakthrough is 1998 anime syndication as childhood OS.
In the series
Why this series still plays
A ten-year-old, a yellow mouse, and a globetrotting checklist that became a childhood operating system. Anime lands in American syndication as one engine with the games and cards — catch, train, argue about types. Kids’ TV as collection ritual, gym-badge serialization, and the rare cartoon that still prints money because the adventure never quite finishes.
The work, first: a young trainer, a yellow mouse, a globetrotting checklist that became a childhood operating system. Based on Game Freak/Nintendo games, the anime's U.S. TV breakthrough in 1998 (Kids' WB and syndication) detonated a multi-platform kids' empire: games, cards, films, toys, one engine. Satoshi Tajiri and Kunihiko Yuyama's world turned anime into mainstream American children's programming. Rica Matsumoto and Veronica Taylor as Ash across languages; Ikue Otani's Pikachu. Catch, train, argue about…
Filed against
- Rica Matsumoto as Ash Ketchum (JP)
Rica Matsumoto voices Ash Ketchum on Pokémon — the ten-year-old whose globetrotting checklist became a childhood operating system in Japanese, then a syndication engine abroad. Catch, train, argue about types. TV Flash files her as 1990s…
- Veronica Taylor as Ash Ketchum (US early)
Veronica Taylor was early U.S. Ash Ketchum on Pokémon — a ten-year-old, a yellow mouse, a globetrotting checklist that became a childhood operating system. Anime landed in American syndication as one engine with the games and cards:…
- Ikue Otani as Pikachu
Ikue Otani voiced Pikachu as a childhood operating system — a ten-year-old, a yellow mouse, anime landing in American syndication as one engine with the games and cards. Catch, train, argue about types. TV Flash files her as 1990s kids-TV…