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SM056 : Let Sleeping Pokémon Lie!
Sun & Moon series
SM058 : Fighting Back the Tears!
The Dex Can't Help It!
SM057   EP996
Rotom, Can't Stop the Form Change!
First broadcast
Japan January 11, 2018
United States May 12, 2018
English themes
Opening Under The Alolan Moon
Japanese themes
Opening アローラ!!
Ending ポーズ
Animation Team Kato
Screenplay 藤咲淳一 Jun'ichi Fujisaku
Storyboard 金崎貴臣 Takaomi Kanezaki
Assistant director 小柴純弥 Junya Koshiba
Animation directors 難波功 Isao Namba
宮田忠明 Tadaaki Miyata
No additional credits are available at this time.

The Dex Can't Help It! (Japanese: ロトム、フォルムチェンジが止まらない! Rotom, Can't Stop the Form Change!) is the 57th episode of the Sun & Moon series, and the 996th episode of the Pokémon anime. It first aired in Japan on January 11, 2018 and in the United States on May 12, 2018.

201 Spoiler warning: this article may contain major plot or ending details. 201


Rotom Dex is excited to house-sit while Ash and the professors go shopping. But chaos ensues when a washing machine is mistakenly delivered—and there’s a Wash Rotom inside! Somehow, the Wash Rotom ends up inside Ash’s Pokédex, and Rotom Dex takes its place in the washing machine. After a series of accidental form changes, and even some time spent inside a TV, Rotom Dex yearns to be back inside the comfort of the Pokédex. It finally succeeds, but not for long—after a big shock from Pikachu, Rotom Dex accidentally inhabits the entire Pokémon Center!


090Shellder.png This plot summary is incomplete.
Please feel free to edit this plot summary to add missing sections and complete it.

Major events

For a list of all major events in the anime, please see the timeline of events.


Pokémon debuts

TV episode debuts



Dare da?


Who's That Pokémon?

Who's That Pokémon?: Rotom (US and international), Rotom (Wash Rotom) (Japan)



Dub edits

In other languages

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SM056 : Let Sleeping Pokémon Lie!
Sun & Moon series
SM058 : Fighting Back the Tears!
Project Anime logo.png This episode article is part of Project Anime, a Bulbapedia project that covers all aspects of the Pokémon anime.