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.
Cast: Inori Minase, Kaito Ishikawa, Yoshitsugu Matsuoka
Inori MinasePrincess Syalis (voice)
Kaito IshikawaDemon Cleric (voice)
Yoshitsugu MatsuokaDemon King Tasogare (voice)Trailer
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Seasons and episodes
Seasons: 1 · Episodes: 12 · Ended
- Season 12020 · 12 episodes
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Sleepy Princess in the Demon Castle: frequently asked questions
How many episodes does Sleepy Princess in the Demon Castle have?
Sleepy Princess in the Demon Castle has one season with 12 episodes. The final episode aired on December 22, 2020.
Where can I watch Sleepy Princess in the Demon Castle?
Sleepy Princess in the Demon Castle is streaming in the US on Crunchyroll. To rent or buy: Amazon Video, Apple TV Store.
When was Sleepy Princess in the Demon Castle released?
Sleepy Princess in the Demon Castle premiered on October 6, 2020.
Who is in the cast of Sleepy Princess in the Demon Castle?
The main cast includes Inori Minase (Princess Syalis), Kaito Ishikawa (Demon Cleric), Yoshitsugu Matsuoka (Demon King Tasogare), and Hiro Shimono (The Hero Akatsuki).
What is the age rating for Sleepy Princess in the Demon Castle?
Sleepy Princess in the Demon Castle is rated TV-14 in the US.
How is Sleepy Princess in the Demon Castle rated?
Sleepy Princess in the Demon Castle has a rating of 8.3/10 on TMDB from 139 votes.
