Season 1
64% · 2020 · 12 Episodes
A drowsy human princess roams the demon's castle where she's held prisoner, trying to find a comfortable place to get a good night's sleep.
Sleeping Princess of the Demon Castle (1x12, 22 December 2020)
Available in United States
Sleepy Princess in the Demon Castle (2020)
Where can I watch Sleepy Princess in the Demon Castle in United States?
As of 2026-09-11, in United States: Sleepy Princess in the Demon Castle streams on Crunchyroll, Crunchyroll Amazon Channel; rent or buy on Apple TV Store, Amazon Video.
TV-14 · 2020 · Ended · 1 season · 12 episodes
TMDB 8.3 · 137 votes
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.
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Availability by country
Streaming in 5 of 6 tracked countries as of 2026-09-11.
| Country | Licensed apps |
|---|---|
| India | Not listed |
| United States | Apple TV Store, Amazon Video, Crunchyroll, Crunchyroll Amazon Channel |
| United Kingdom | Apple TV Store, Amazon Video, Crunchyroll, Crunchyroll Amazon Channel |
| Japan | Amazon Prime Video, Amazon Video, FOD, Hulu, Anime Times Amazon Channel |
| Germany | Crunchyroll, Crunchyroll Amazon Channel |
| Brazil | Crunchyroll, Crunchyroll Amazon Channel |
Series Cast
Inori Minase
Princess Syalis (voice)
12 Episodes
Kaito Ishikawa
Demon Cleric (voice)
12 Episodes
Yoshitsugu Matsuoka
Demon King Tasogare (voice)
12 Episodes
Hiro Shimono
The Hero Akatsuki (voice)
12 Episodes
Rikiya Koyama
Majiro the Hedgehog (voice)
12 Episodes
Kouichi Souma
Frankenzombie (voice) / Ghost Wrapping Paper (voice)
12 Episodes
Junichi Suwabe
Caesar Magician (voice)
12 Episodes
Shinya Takahashi
Goblin Serf (voice)
12 Episodes
Chikahiro Kobayashi
Red Siberian (voice)
12 Episodes
Ayane Sakura
Aladdif (voice)
12 Episodes
Current Season
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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.
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FAQ
- Where can I watch Sleepy Princess in the Demon Castle in United States?
- As of 2026-09-11, in United States: Sleepy Princess in the Demon Castle streams on Crunchyroll, Crunchyroll Amazon Channel; rent or buy on Apple TV Store, Amazon Video.
- Where can I watch Sleepy Princess in the Demon Castle in India?
- Sleepy Princess in the Demon Castle is not on tracked licensed apps in India right now.
- Where can I watch Sleepy Princess in the Demon Castle in United Kingdom?
- Licensed apps in United Kingdom: Apple TV Store, Amazon Video, Crunchyroll, Crunchyroll Amazon Channel.
- Where can I watch Sleepy Princess in the Demon Castle in Japan?
- Licensed apps in Japan: Amazon Prime Video, Amazon Video, FOD, Hulu, Anime Times Amazon Channel.
- Where can I watch Sleepy Princess in the Demon Castle in Germany?
- Licensed apps in Germany: Crunchyroll, Crunchyroll Amazon Channel.
- Where can I watch Sleepy Princess in the Demon Castle in Brazil?
- Licensed apps in Brazil: Crunchyroll, Crunchyroll Amazon Channel.
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