Series synopsis
Sleepy Princess in the Demon Castle, also known as 魔王城でおやすみ is a Japanese animation comedy sci-fi & fantasy television series that premiered on TV Tokyo on October 6, 2020. It ended on December 22, 2020. It stars Inori Minase, Kaito Ishikawa, Yoshitsugu Matsuoka and Hiro Shimono.
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.
Premise
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 and characters
Leading cast
- Inori Minase as Princess Syalis (voice)
- Kaito Ishikawa as Demon Cleric (voice)
- Yoshitsugu Matsuoka as Demon King Tasogare (voice)
- Hiro Shimono as The Hero Akatsuki (voice)
- Rikiya Koyama as Majiro the Hedgehog (voice)
- Kouichi Souma as Frankenzombie (voice) / Ghost Wrapping Paper (voice)
- Junichi Suwabe as Caesar Magician (voice)
- Shinya Takahashi as Goblin Serf (voice)
Supporting cast
- Chikahiro Kobayashi as Red Siberian (voice)
- Ayane Sakura as Aladdif (voice)
- Sayaka Ohara as Harpy (voice)
- Takeo Otsuka as Poseidon (voice)
- Masashi Yamane as Minotauro (voice)
- Takaya Kuroda as Flame Poison Dragon (voice)
- Shin-ichiro Miki as Hypnos (voice)
- Kisho Taniyama as Hades (voice)
Episodes
This series spans 2 seasons with 47 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 0 | 35 | October 8, 2020 | December 26, 2020 |
| Season 1 | 12 | October 6, 2020 | December 22, 2020 |
| Episode | Title | Air date |
|---|---|---|
| 1 | Mini 01 | October 8, 2020 |
| 2 | Mini 02 | October 15, 2020 |
| 3 | Mini 03 | October 22, 2020 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Sleepless Princess of the Castle 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. |
October 6, 2020 |
| 2 |
The Princess and Furious Fluff 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. |
October 13, 2020 |
| 3 |
The Princess and Forbidden Knowledge Princess Syalis is on the loose again meddling with forbidden magical items and causing total mayhem for the Demon Castle. |
October 20, 2020 |
Production
Release
| Original network/platform | TV Tokyo |
|---|---|
| First aired | October 6, 2020 |
| Last aired | December 22, 2020 |
| Status | ended |
| Schedule | Monday at 02:00:00 |