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Series

Sleepy Princess in the Demon Castle

2020 · 1 season · 12 episodes · Ended · TV Tokyo

Animation, Comedy, Sci-Fi & Fantasy

TMDB 8.3 · 137 votes

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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.

Episodes

  • S01E01Sleepless Princess of the Castle2020-10-0624m

    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.

  • S01E02The Princess and Furious Fluff2020-10-1324m

    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.

  • S01E03The Princess and Forbidden Knowledge2020-10-2024m

    Princess Syalis is on the loose again meddling with forbidden magical items and causing total mayhem for the Demon Castle.

  • S01E04The Princess, Destruction, and a Short Journey2020-10-2724m

    Fed up with her circumstances at the Demon Castle, Princess Syalis goes to great lengths to add luxuries to her castle prison.

  • S01E05The Princess and Female Warriors2020-11-0324m

    The female unit, long deployed out in the field, has returned to the Demon Castle to get their first taste of Princess Syalis.

  • S01E06The Princess’ Unwavering Choice2020-11-1024m

    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.

  • S01E07Even More Sleepless Princess of the Castle2020-11-1724m

    Princess Syalis wakes to find herself in a completely different castle! What happened and how will she return to the Demon Castle?

  • S01E08The Princess and the Frightful Demon Nightmare2020-11-2424m

    Back at the Demon Castle, Princess Syalis interrupts an important meeting to share about her haunted dreams.

  • S01E09The Princess and Hostage Training Week2020-12-0124m

    It’s time for Princess Syalis to start acting like a proper hostage, so the demon king issues a decree to help change that.

  • S01E10The Princess in Endopolis2020-12-0824m

    Princes Syalis is determined to get her hands on the latest and greatest sleep product, but it’s only available in the Human Realm.

  • S01E11The Princess and Troubling Dreams2020-12-1524m

    Princess Syalis feels tired no matter how much sleep she gets, and her troubling dreams aren’t helping.

  • S01E12Sleeping Princess of the Demon Castle2020-12-2224m

    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