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Sleepy Princess in the Demon Castle

Sleepy Princess in the Demon Castle

TV-142020•8.4/10
AnimationComedySci-Fi & Fantasy

Ratings

🎬TMDb
8.4/10(132)

Syalis is a princess. A really cute one. When she gets kidnapped by the Demon King as a hostage, she's stuck in a castle full of demons, waiting to be rescued by her knight in shining armor. So what does she do? What any of us would. Take a nap—on a pillow she fashioned from her Teddy Demon guards. Duh.

Open in PickFlick

Production

Doga Kobo

Language

JA

Status

Ended

First Aired

October 6, 2020

Last Aired

December 22, 2020

Networks

TV Tokyo

Trailers & Videos

Where to Watch
Region US · Lang EN
US
No providers available for this region.
Seasons & Episodes
Select a season to view episodes. Reddit links may contain spoilers.
Season
Sleepless Princess of the Castle
E1
Sleepless Princess of the Castle
Air date: 2020-10-06
Princess 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.
The Princess and Furious Fluff
E2
The Princess and Furious Fluff
Air date: 2020-10-13
As 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.
The Princess and Forbidden Knowledge
E3
The Princess and Forbidden Knowledge
Air date: 2020-10-20
Princess Syalis is on the loose again meddling with forbidden magical items and causing total mayhem for the Demon Castle.
The Princess, Destruction, and a Short Journey
E4
The Princess, Destruction, and a Short Journey
Air date: 2020-10-27
Fed up with her circumstances at the Demon Castle, Princess Syalis goes to great lengths to add luxuries to her castle prison.
The Princess and Female Warriors
E5
The Princess and Female Warriors
Air date: 2020-11-03
The female unit, long deployed out in the field, has returned to the Demon Castle to get their first taste of Princess Syalis.
The Princess’ Unwavering Choice
E6
The Princess’ Unwavering Choice
Air date: 2020-11-10
Dawner 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.
Even More Sleepless Princess of the Castle
E7
Even More Sleepless Princess of the Castle
Air date: 2020-11-17
Princess Syalis wakes to find herself in a completely different castle! What happened and how will she return to the Demon Castle?
The Princess and the Frightful Demon Nightmare
E8
The Princess and the Frightful Demon Nightmare
Air date: 2020-11-24
Back at the Demon Castle, Princess Syalis interrupts an important meeting to share about her haunted dreams.
The Princess and Hostage Training Week
E9
The Princess and Hostage Training Week
Air date: 2020-12-01
It’s time for Princess Syalis to start acting like a proper hostage, so the demon king issues a decree to help change that.
The Princess in Endopolis
E10
The Princess in Endopolis
Air date: 2020-12-08
Princes Syalis is determined to get her hands on the latest and greatest sleep product, but it’s only available in the Human Realm.
The Princess and Troubling Dreams
E11
The Princess and Troubling Dreams
Air date: 2020-12-15
Princess Syalis feels tired no matter how much sleep she gets, and her troubling dreams aren’t helping.
Sleeping Princess of the Demon Castle
E12
Sleeping Princess of the Demon Castle
Air date: 2020-12-22
Despite living as a captive in the Demon Realm, the princess writes a letter to Santa. The letter’s contents shock the demon king.

Cast

Inori Minase

Inori Minase

Princess Syalis (voice)

Kaito Ishikawa

Kaito Ishikawa

Demon Cleric (voice)

Yoshitsugu Matsuoka

Yoshitsugu Matsuoka

Demon King Tasogare (voice)

Hiro Shimono

Hiro Shimono

The Hero Akatsuki (voice)

Rikiya Koyama

Rikiya Koyama

Majiro the Hedgehog (voice)

Kouichi Souma

Kouichi Souma

Frankenzombie (voice) / Ghost Wrapping Paper (voice)

Junichi Suwabe

Junichi Suwabe

Caesar Magician (voice)

Shinya Takahashi

Shinya Takahashi

Goblin Serf (voice)

Chikahiro Kobayashi

Chikahiro Kobayashi

Red Siberian (voice)

Sayaka Ohara

Sayaka Ohara

Harpy (voice)

Ayane Sakura

Ayane Sakura

Aladdif (voice)

Takeo Otsuka

Takeo Otsuka

Poseidon (voice)

Masashi Yamane

Masashi Yamane

Minotauro (voice)

Takaya Kuroda

Takaya Kuroda

Flame Poison Dragon (voice)

Sayaka Ohara

Sayaka Ohara

Neo Alraune (voice)

Shin-ichiro Miki

Shin-ichiro Miki

Hypnos (voice)

Kisho Taniyama

Kisho Taniyama

Hades (voice)

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