Where to watch Sleepy Princess in the Demon Castle (2020) in the UK
Sleepy Princess in the Demon Castle (2020) is currently available to stream in the UK on Crunchyroll and Crunchyroll Amazon Channel. It can be bought from Apple TV Store and Amazon Video. Last verified on 4 July 2026 by ScreenSearch.
When young Princess Syalis is kidnapped and imprisoned by the Demon King, she's rather indifferent about her situation. But she quickly comes to a terrible realisation—she can't sleep soundly in such an uncomfortable bed! She soon escapes her cell and sets off in search of ways to improve her sleep quality, leaving the castle's inhabitants, and even the Demon King himself, scrambling to keep the unruly princess out of trouble during her chaotic adventures.
Watch the trailer
Sleepy Princess In The Demon Castle Official Trailer
Streaming options in the United Kingdom
Updated daily from The Movie Database. Outbound links open the provider directly.
Last verified: — sourced from The Movie Database. Machine-readable: Markdown · JSON.
Cast & crew
Top-billed cast in Sleepy Princess in the Demon Castle.
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Inori MinasePrincess Syalis (voice) -
Kaito IshikawaDemon Cleric (voice) -
Yoshitsugu MatsuokaDemon King Tasogare (voice) -
Hiro ShimonoThe Hero Akatsuki (voice) -
Rikiya KoyamaMajiro the Hedgehog (voice) -
Kouichi SoumaFrankenzombie (voice) / Ghost Wrapping Paper (voice) -
Junichi SuwabeCaesar Magician (voice) -
Shinya TakahashiGoblin Serf (voice)
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Sleepy Princess in the Demon Castle — frequently asked questions
Where can I stream Sleepy Princess in the Demon Castle in the UK?
Sleepy Princess in the Demon Castle (2020) is currently included in subscriptions to Crunchyroll and Crunchyroll Amazon Channel in the United Kingdom. Sign-in is required to play. Streaming licences change occasionally — ScreenSearch refreshes its data daily.
Can I buy a digital copy of Sleepy Princess in the Demon Castle?
Yes. Sleepy Princess in the Demon Castle can be bought as a digital download from Apple TV Store and Amazon Video in the UK. A purchased digital copy lives in that storefront's library and stays available as long as the licence holds.
Are all seasons of Sleepy Princess in the Demon Castle on the same service?
Not always — TV licensing is sometimes negotiated season by season. ScreenSearch shows availability across all seasons on the title's page; for season-specific availability, look at the season picker inside the search dialog.
Is Sleepy Princess in the Demon Castle on Netflix, Disney+ or Amazon Prime Video in the UK?
Sleepy Princess in the Demon Castle is currently included with: Crunchyroll and Crunchyroll Amazon Channel.
How accurate is this TV series's availability data?
Availability is sourced from The Movie Database (TMDB), which in turn pulls from JustWatch. Listings are refreshed daily. For purchase decisions, the provider's own site is the source of truth.
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