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E1Sleepless Princess of the Castle
Where to watch
Availability shown for United States · rights vary by countrySeasons & Episodes
E1
E2The Princess and Furious Fluff
E3The Princess and Forbidden Knowledge
E4The Princess, Destruction, and a Short Journey
E5The Princess and Female Warriors
E6The Princess’ Unwavering Choice
E7Even More Sleepless Princess of the Castle
E8The Princess and the Frightful Demon Nightmare
E9The Princess and Hostage Training Week
E10The Princess in Endopolis
E11The Princess and Troubling Dreams
E12Sleeping Princess of the Demon Castle
Cast
IM
Inori Minase
Princess Syalis (voice)
KI
Kaito Ishikawa
Demon Cleric (voice)
YM
Yoshitsugu Matsuoka
Demon King Tasogare (voice)
HS
Hiro Shimono
The Hero Akatsuki (voice)
RK
Rikiya Koyama
Majiro the Hedgehog (voice)
KS
Kouichi Souma
Frankenzombie (voice) / Ghost Wrapping Paper (voice)
JS
Junichi Suwabe
Caesar Magician (voice)
ST
Shinya Takahashi
Goblin Serf (voice)
CK
Chikahiro Kobayashi
Red Siberian (voice)
SO
Sayaka Ohara
Harpy (voice)
AS
Ayane Sakura
Aladdif (voice)
TO
Takeo Otsuka
Poseidon (voice)
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Sleepy Princess in the Demon Castle — streaming FAQ
Which OTT platform streams Sleepy Princess in the Demon Castle?
Sleepy Princess in the Demon Castle is streaming on Crunchyroll in United States, and available to rent or buy on Amazon Video and Apple TV Store. It's not currently on Netflix.
Is Sleepy Princess in the Demon Castle on Netflix?
No, Sleepy Princess in the Demon Castle is not on Netflix in United States as of October 2026. It's currently on Crunchyroll.
Is Sleepy Princess in the Demon Castle on Amazon Prime Video?
Sleepy Princess in the Demon Castle isn't included with a Prime Video subscription in United States, but you can rent or buy it on Amazon Video.
Where can I watch Sleepy Princess in the Demon Castle for free?
Sleepy Princess in the Demon Castle is available on Crunchyroll in United States, but you'll need an active subscription — there's no free option right now.
How many seasons are in Sleepy Princess in the Demon Castle?
Sleepy Princess in the Demon Castle has 1 season in total (12 episodes). The series concluded in 2020.
Are all episodes of Sleepy Princess in the Demon Castle out yet?
Yes — all 12 episodes across 1 season of Sleepy Princess in the Demon Castle are out and available to stream.
Is there a Season 2 of Sleepy Princess in the Demon Castle?
No — Sleepy Princess in the Demon Castle ended after 1 season, so there is no Season 2.
What manga is Sleepy Princess in the Demon Castle based on?
Sleepy Princess in the Demon Castle is based on Sleepy Princess in the Demon Castle by Kagiji Kumanomata.
