Series
Sleepy Princess in the Demon Castle
AnimationComedySci-Fi & Fantasy
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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Seasons & 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.
1Sleepless Princess of the Castle6 Oct 2020 · 24m · ★ 6.3Princess Syalis is abducted from her home of the Nation of Goodereste by Twilight the Demon King. Despite the horrors lurking in the Demon Castle, all Princess Syalis wants is a good night’s sleep.
2The Princess and Furious Fluff13 Oct 2020 · 24m · ★ 6.3As Dawner the Hero faces perilous obstacles to rescue Princess Syalis, the princess continues to find creative ways to sleep more comfortably at the Demon Castle.
3The Princess and Forbidden Knowledge20 Oct 2020 · 24m · ★ 6.5Princess Syalis is on the loose again meddling with forbidden magical items and causing total mayhem for the Demon Castle.
4The Princess, Destruction, and a Short Journey27 Oct 2020 · 24m · ★ 6.5Fed up with her circumstances at the Demon Castle, Princess Syalis goes to great lengths to add luxuries to her castle prison.
5The Princess and Female Warriors3 Nov 2020 · 24m · ★ 6.5The female unit, long deployed out in the field, has returned to the Demon Castle to get their first taste of Princess Syalis.
6The Princess’ Unwavering Choice10 Nov 2020 · 24m · ★ 6.5Dawner the Hero is having more trouble than expected on his journey to the Demon Castle, so the demon higher ups decide to take some action.
7Even More Sleepless Princess of the Castle17 Nov 2020 · 24m · ★ 6.5Princess Syalis wakes to find herself in a completely different castle! What happened and how will she return to the Demon Castle?
8The Princess and the Frightful Demon Nightmare24 Nov 2020 · 24m · ★ 6.5Back at the Demon Castle, Princess Syalis interrupts an important meeting to share about her haunted dreams.
9The Princess and Hostage Training Week1 Dec 2020 · 24m · ★ 6.5It’s time for Princess Syalis to start acting like a proper hostage, so the demon king issues a decree to help change that.
10The Princess in Endopolis8 Dec 2020 · 24m · ★ 6.5Princes Syalis is determined to get her hands on the latest and greatest sleep product, but it’s only available in the Human Realm.
11The Princess and Troubling Dreams15 Dec 2020 · 24m · ★ 6.0Princess Syalis feels tired no matter how much sleep she gets, and her troubling dreams aren’t helping.
12Sleeping Princess of the Demon Castle22 Dec 2020 · 24m · ★ 6.0Despite living as a captive in the Demon Realm, the princess writes a letter to Santa. The letter’s contents shock the demon king.
Details
- First aired
- 6 Oct 2020
- Last aired
- 22 Dec 2020
- Status
- Ended
- Language
- Japanese
- Network
- TV Tokyo
- Episodes
- 12
- Votes
- 139 on TMDB
Cast
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)
Chikahiro KobayashiRed Siberian (voice)
Sayaka OharaHarpy (voice)
Ayane SakuraAladdif (voice)
Takeo OtsukaPoseidon (voice)
Masashi YamaneMinotauro (voice)
Takaya KurodaFlame Poison Dragon (voice)
