TV series
Awakening from magical stasis after a thousand years, the Dark Lord Leonis suddenly finds himself in the body of a ten-year-old boy! He quickly meets Riselia, a girl confronting the Voids, creatures that have nearly exterminated humanity. Determined to uncover the mysteries of this strange new era, Leonis enrolls in Excalibur Academy, a school that trains students to fight back against these enigmatic monsters. Could the Voids hold some connection to Leonis's past?
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Checked Jul 22, 2026
The Demon Sword Master of Excalibur Academy is available to stream on Disney+ and Hulu in United States. You can also buy it from Amazon. Use the direct links below to open the provider.
Awakening from magical stasis after a thousand years, the Dark Lord Leonis suddenly finds himself in the body of a ten-year-old boy! He quickly meets Riselia, a girl confronting the Voids, creatures that have nearly exterminated humanity. Determined to uncover the mysteries of this strange new era, Leonis enrolls in Excalibur Academy, a school that trains students to fight back against these enigmatic monsters. Could the Voids hold some connection to Leonis's past?
Cast, crew and production details
Marina InoueLeonis Death Magnus (voice)
Yui IshikawaRiselia Ray Crystalia (voice)
Aya SuzakiRegina Mercedes (voice)
Hiromi IgarashiElfiné Phillet (voice)
Honoka KurokiSakuya Sieglinde (voice)
Arisa NakadaShari Shadow Assassin (voice)
Tomofumi IkezoeBlackas Shadow Prince (voice)
Ai KakumaRoselia Ishtaris (voice)
TV TokyoJapan
PassioneJapan
Nippon ColumbiaJapan
KADOKAWAJapan
NBCUniversal Entertainment JapanJapan
CTWJapanWatch options above are for the show and may vary by season or episode.
Episode 1
The Dark Lord Leonis awakens after a thousand years, only to find himself in an unfamiliar world. But that isn't the only change he faces.
Directed by Takahide Ejiri, Midori YuiWritten by Kunihiko OkadaGuest stars Sayaka Ohara, Takayuki Sugo, Shohei Yamaguchi, Wataru Usami, Shinichiro Kitamura, Yu Shimizu, Asuka Keigen, Hiroshi Nakamura
Where to watch The Demon Sword Master of Excalibur Academy
Episode 2
Humanity has grown in leaps and bounds. If Leonis plans to rebuild his forces, he must first take stock of human military might.
Directed by Daiki TakemotoWritten by Kunihiko OkadaGuest stars Mitsuhiro Ichiki, Shohei Yamaguchi, Wataru Usami, Mari Takahashi, Misaki Suzuki
Where to watch The Demon Sword Master of Excalibur Academy
Episode 3
Riselia learns what really happened to her the day she first met Leonis and that makes her worry she can never manifest a Holy Power. That worry is about to be tested.
Directed by Hito Tadano, Daiki TakemotoWritten by Kunihiko OkadaGuest stars Takayuki Sugo, Mitsuhiro Ichiki, Haruna Terada, Kanon Endo, Yuri Katou, Miki Yakata, Shohei Yamaguchi, Wataru Usami
Where to watch The Demon Sword Master of Excalibur Academy
Episode 4
The students go about their daily lives while Riselia hones her skills as a vampire. However, they are all unaware they are experiencing the calm before the storm.
Directed by Midori YuiWritten by Kunihiko OkadaGuest stars Haruna Terada, Ryota Takeuchi, Shouto Kashii, Naoya Uchida, Toru Nara, Nozomi Furuki, Yoko Ojimo, Satomi Kobashi
Where to watch The Demon Sword Master of Excalibur Academy
Episode 5
The city is under attack, forcing everyone on the defensive.
Directed by Hiroki MoritomoWritten by Kunihiko OkadaGuest stars Sayaka Ohara, Takayuki Sugo, Haruna Terada, Ryota Takeuchi, Shouto Kashii, Naoya Uchida, Toru Nara, Nozomi Furuki
Where to watch The Demon Sword Master of Excalibur Academy
Episode 6
Leonis may be a demon lord, but he still has his honor. He will put an end to the invasion, but he must first draw a sword that will test his resolve before he can wield it.
Directed by Yuta KidaWritten by Kunihiko OkadaGuest stars Takayuki Sugo, Shouto Kashii, Naoya Uchida, Nozomi Furuki, Yoko Ojimo, Satomi Kobashi, Miki Yakata, Mari Takahashi
Where to watch The Demon Sword Master of Excalibur Academy
Episode 7
Leonis’ platoon attends a commendation ceremony on the SS Hyperion, unaware of the sinister plot to kidnap the Fourth Imperial Princess.
Directed by Hito TadanoWritten by Kunihiko OkadaGuest stars Toru Nara, Nozomi Furuki, Mari Takahashi, Hina Kino, Shinobu Matsumoto, Mami Uchida, Hiroshi Nakamura, Hidenori Takahashi
Where to watch The Demon Sword Master of Excalibur Academy
Episode 8
The kidnappers accounted for many things, but they did not account for the interference of the legendary Demon Lord.
Directed by Takahide EjiriWritten by Kunihiko OkadaGuest stars Toru Nara, Nozomi Furuki, Mari Takahashi, Hina Kino, Mami Uchida, Hidenori Takahashi, Hochu Otsuka, Manabu Sakamaki
Where to watch The Demon Sword Master of Excalibur Academy
Episode 9
A competition gives Riselia the opportunity to show how much she’s improved. The timing couldn’t be better: the next mission will put everyone’s skills to the test.
Directed by Hiroki MoritomoWritten by Kunihiko OkadaGuest stars Haruna Terada, Ryota Takeuchi, Naoya Uchida, Nozomi Furuki, Mari Takahashi, Misaki Suzuki, Mami Uchida, Atsushi Abe
Where to watch The Demon Sword Master of Excalibur Academy
Episode 10
What quest could be so important that a hero travels to the future in order to fulfill it? Regardless of her reasons, the group must find the Void Lord before it’s too late.
Directed by Yuta KidaWritten by Kunihiko OkadaGuest stars Sayaka Ohara, Atsushi Abe, Chiwa Saito, Shohei Yamaguchi, Wataru Usami, Haruna Terada, Sayaka Date, Reo Kurachi
Where to watch The Demon Sword Master of Excalibur Academy
Episode 11
The Void Lord awakens and Leonis discovers an awful truth.
Directed by Daiki TakemotoWritten by Kunihiko OkadaGuest stars Sayaka Ohara, Atsushi Abe, Chiwa Saito, Shohei Yamaguchi, Wataru Usami, Katsuji Mori, Kazuhiko Inoue, Naomi Kusumi
Where to watch The Demon Sword Master of Excalibur Academy
Episode 12
Leonis must defeat the Void Lord by any means necessary, even if it means using the souls of the deceased.
Directed by Takahide Ejiri, Hito TadanoWritten by Kunihiko OkadaGuest stars Sayaka Ohara, Mami Uchida, Chiwa Saito, Shohei Yamaguchi, Wataru Usami, Katsuji Mori, Kazuhiko Inoue, Naomi Kusumi
Where to watch The Demon Sword Master of Excalibur AcademyEpisode information updated Jul 22, 2026
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