TV Sleepy Princess in the Demon Castle - Season 1 Sleepy Princess in the Demon Castle - Season 1 8.363/10 by 131 users 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. Details Casts Posters Images Title Sleepy Princess in the Demon Castle - Season 1 Alternative Titles Sleepy Princess in the Demon Castle, Maoujou de Oyasumi, Maou-jou de Oyasumi, Sleepy Princess, Maou-jou de Oyasumi, Maoujou de Oyasumi, Maōjō de Oyasumi, Maō-jō de Oyasumi, Сон в замку демона, Sleeping in Devil's Castle, Good Night at Demon Castle, Sweet Dreams in the Demon Castle, Sleeping Princess in the Demon Castle First Air Date 2020-10-06 Last Air Date 2020-12-22 Number of Episodes 12 Number of Seasons 1 Genres Animation, Comedy, Sci-Fi & Fantasy, Networks TV Tokyo, Casts Inori Minase, Kaito Ishikawa, Yoshitsugu Matsuoka, Hiro Shimono, Rikiya Koyama, Kouichi Souma, Junichi Suwabe, Shinya Takahashi, Chikahiro Kobayashi, Sayaka Ohara, Ayane Sakura Plot Keywords , Princess Syalis (voice) Inori Minase Demon Cleric (voice) Kaito Ishikawa Demon King Tasogare (voice) Yoshitsugu Matsuoka The Hero Akatsuki (voice) Hiro Shimono Majiro the Hedgehog (voice) Rikiya Koyama Frankenzombie (voice) / Ghost Wrapping Paper (voice) Kouichi Souma Caesar Magician (voice) Junichi Suwabe Goblin Serf (voice) Shinya Takahashi Red Siberian (voice) Chikahiro Kobayashi Harpy (voice) Sayaka Ohara Aladdif (voice) Ayane Sakura Poseidon (voice) Takeo Otsuka Minotauro (voice) Masashi Yamane Flame Poison Dragon (voice) Takaya Kuroda Neo Alraune (voice) Sayaka Ohara Hypnos (voice) Shin-ichiro Miki Hades (voice) Kisho Taniyama Episodes List Sleepy Princess in the Demon Castle Season 1 :Episode 1 Sleepless Princess of the Castle Sleepless Princess of the Castle 2020-10-06 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... Sleepy Princess in the Demon Castle Season 1 :Episode 2 The Princess and Furious Fluff The Princess and Furious Fluff 2020-10-13 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... Sleepy Princess in the Demon Castle Season 1 :Episode 3 The Princess and Forbidden Knowledge The Princess and Forbidden Knowledge 2020-10-20 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... Sleepy Princess in the Demon Castle Season 1 :Episode 4 The Princess, Destruction, and a Short Journey The Princess, Destruction, and a Short Journey 2020-10-27 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... Sleepy Princess in the Demon Castle Season 1 :Episode 5 The Princess and Female Warriors The Princess and Female Warriors 2020-11-03 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... Sleepy Princess in the Demon Castle Season 1 :Episode 6 The Princess’ Unwavering Choice The Princess’ Unwavering Choice 2020-11-10 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... Sleepy Princess in the Demon Castle Season 1 :Episode 7 Even More Sleepless Princess of the Castle Even More Sleepless Princess of the Castle 2020-11-17 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... Sleepy Princess in the Demon Castle Season 1 :Episode 8 The Princess and the Frightful Demon Nightmare The Princess and the Frightful Demon Nightmare 2020-11-24 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... Sleepy Princess in the Demon Castle Season 1 :Episode 9 The Princess and Hostage Training Week The Princess and Hostage Training Week 2020-12-01 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... Sleepy Princess in the Demon Castle Season 1 :Episode 10 The Princess in Endopolis The Princess in Endopolis 2020-12-08 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... Sleepy Princess in the Demon Castle Season 1 :Episode 11 The Princess and Troubling Dreams The Princess and Troubling Dreams 2020-12-15 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... Sleepy Princess in the Demon Castle Season 1 :Episode 12 Sleeping Princess of the Demon Castle Sleeping Princess of the Demon Castle 2020-12-22 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...