7.4/1058 votes#1 - Sleepless Princess of the Castle
Season 1 Episode 1 - Aired 10/6/2020
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.
Director: Mitsue Yamasaki
Writer: Yoshiko Nakamura
7.4/1047 votes#2 - The Princess and Furious Fluff
Season 1 Episode 2 - Aired 10/13/2020
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.
Director: N/A
Writer: N/A
7.4/1046 votes#3 - The Princess and Forbidden Knowledge
Season 1 Episode 3 - Aired 10/20/2020
Princess Syalis is on the loose again meddling with forbidden magical items and causing total mayhem for the Demon Castle.
Director: N/A
Writer: N/A
7.4/1044 votes#4 - The Princess, Destruction, and a Short Journey
Season 1 Episode 4 - Aired 10/27/2020
Fed up with her circumstances at the Demon Castle, Princess Syalis goes to great lengths to add luxuries to her castle prison.
Director: N/A
Writer: N/A
7.4/1042 votes#5 - The Princess and Female Warriors
Season 1 Episode 5 - Aired 11/3/2020
The female unit, long deployed out in the field, has returned to the Demon Castle to get their first taste of Princess Syalis.
Director: N/A
Writer: N/A
7.8/1043 votes#6 - The Princess’ Unwavering Choice
Season 1 Episode 6 - Aired 11/10/2020
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.
Director: N/A
Writer: N/A
8.3/1047 votes#7 - Even More Sleepless Princess of the Castle
Season 1 Episode 7 - Aired 11/17/2020
Princess Syalis wakes to find herself in a completely different castle! What happened and how will she return to the Demon Castle?
Director: Yoshino Shirahata
Writer: N/A
7.8/1040 votes#8 - The Princess and the Frightful Demon Nightmare
Season 1 Episode 8 - Aired 11/24/2020
Back at the Demon Castle, Princess Syalis interrupts an important meeting to share about her haunted dreams.
Director: N/A
Writer: N/A
8.3/1047 votes#9 - The Princess and Hostage Training Week
Season 1 Episode 9 - Aired 12/1/2020
It’s time for Princess Syalis to start acting like a proper hostage, so the demon king issues a decree to help change that.
Director: N/A
Writer: N/A
7.8/1039 votes#10 - The Princess in Endopolis
Season 1 Episode 10 - Aired 12/8/2020
Princes Syalis is determined to get her hands on the latest and greatest sleep product, but it’s only available in the Human Realm.
Director: N/A
Writer: N/A
7.5/1041 votes#11 - The Princess and Troubling Dreams
Season 1 Episode 11 - Aired 12/15/2020
Princess Syalis feels tired no matter how much sleep she gets, and her troubling dreams aren’t helping.
Director: Yasufumi Soejima
Writer: N/A
7.9/1040 votes#12 - Sleeping Princess of the Demon Castle
Season 1 Episode 12 - Aired 12/22/2020
Despite living as a captive in the Demon Realm, the princess writes a letter to Santa. The letter’s contents shock the demon king.
Director: Mitsue Yamasaki, Sumie Noro
Writer: Yoshiko Nakamura
The Best Episodes of Sleepy Princess in the Demon Castle Season 1
Every episode of Sleepy Princess in the Demon Castle Season 1 ranked from best to worst. Discover the Best Episodes of Sleepy Princess in the Demon Castle Season 1!
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...
Genres:AnimationComedySci-Fi & Fantasy
Network:TV Tokyo
Season 1 Ratings Summary
"Sleepless Princess of the Castle" is the best rated episode of "Sleepy Princess in the Demon Castle" season 1. It scored 7.4/10 based on 58 votes. Directed by Mitsue Yamasaki and written by Yoshiko Nakamura, it aired on 10/6/2020. This episode is rated 0.0 points higher than the second-best, "The Princess and Furious Fluff".