MOVIE

Pokémon: Pikachu, What's This Key?

ピカチュウ、これなんのカギ？

TMDb6.4IMDbView on IMDb ↗2014-07-19· 21 min

AdventureAnimation

Appearing before Pikachu and friends is the keyring Pokemon, Klefki. Inserting a mysteriously shaped key into the keyhole floating in the air, a very mysterious portal appears! Klefki has the key to go to various worlds. What kind of world will the key that Pikachu holds lead to?

Top cast

• 
  Ikue Otani
  Pikachu (voice)
• 
  Megumi Satou
  Dedenne (voice)
• 
  Yuji Ueda
  Keromatsu / Sonans (voice)
• 
  Megumi Hayashibara
  Fokko (voice)
• 
  Hitomi Nabatame
  Harimaron (voice)
• 
  Shin-ichiro Miki
  Luchabull (voice)
• 
  Inuko Inuyama
  Nyarth (voice)
• 
  Kenta Miyake
  Maaiika (voice)
• 
  Rikako Aikawa
  Cleffy (voice)
• 
  Chika Anzai
  Victini / Amarus (voice)
• 
  Kiyotaka Furushima
  Chigoras (voice)
• 
  Yuka Terasaki
  Onbat (voice)

Below are the streaming services currently carrying the movie “Pokémon: Pikachu, What's This Key?” in the United Kingdom, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in the United Kingdom can differ from other countries.

Where to watch Pokémon: Pikachu, What's This Key? in United Kingdom

CountryEgyptSaudi ArabiaUnited Arab EmiratesUnited StatesUnited KingdomCanada

Netflix

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Amazon Prime Video

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Shahid

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Watch It

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TOD

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Disney+

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Apple TV+

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Not currently available on the supported providers in United Kingdom.

Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 21 Sept 2026.