The Seven Deadly Sins: Four Knights of the Apocalypse The Demon of Echo Gorge (Season 1, Episode 4)
TV Episode | 24 min | Animation, Action, Adventure

Primary photo for The Demon of Echo Gorge

The Seven Deadly Sins: Four Knights of the Apocalypse

The Demon of Echo Gorge (Season 1, Episode 4)

TV Episode | 24 min | Animation, Action, Adventure

Percival wakes up to find himself tied up and experimented on. His captor tells him that he's almost perfected the medicine he's been developing.

Director

Eunseon Kim (as Kim Eun-seon)

Writer

Shigeru Murakoshi (screenplay)

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Edit Released

Updated Oct 29, 2023

Release date

Oct 29, 2023 (Japan)

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Cast	+ Add Cast
29 cast members

Name	Known for
Shou Komura Percival (voice) Percival (voice) See fewer	Inazuma Eleven: Victory Road (2025)
Kikunosuke Toya Donny (voice) Donny (voice) See fewer	Chainsaw Man (2022)
Aino Shimada Nasiens (voice) Nasiens (voice) See fewer	Lycoris Recoil (2022)
Kôki Uchiyama Sin (voice) Sin (voice) See fewer	Infinite Stratos (2011)
Haruo Yamagishi Ordo (voice) Ordo (voice) See fewer	Aldnoah.Zero (2014)
Setsuji Sato Familiar (voice) Familiar (voice) See fewer	Alita: Battle Angel (2019)
Ryô Hirohashi Dolores (voice) Dolores (voice) See fewer	Sailor Moon Crystal (2014)
Sora Amamiya Narrator (voice) Narrator (voice) See fewer	Mieruko-chan (2021)
Shun'ichi Maki Bob (voice) Bob (voice) See fewer	Ultraman Trigger: New Generation Tiga (2021)
Motoki Sakuma Nab (voice) Nab (voice) See fewer	Days Gone (2019)
Kosuke Echigoya Fairy (voice) Fairy (voice) See fewer	Shin Kamen Rider (2023)
Masaaki Doi Fairy (voice) Fairy (voice) See fewer	The Boy and the Heron (2023)
Miki Natsutani Fairy (voice) Fairy (voice) See fewer	Cyberpunk 2077 (2020)
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Rie Hikisaka Fairy (voice) Fairy (voice) See fewer	Princess Principal (2017)
Jon Allen Talisker (voice: English version) Talisker (voice: English version) See fewer	Rick and Morty (2013)
Tadaaki Doi Fairy (voice) Fairy (voice) See fewer	Metallic Rouge (2024)
Erika Harlacher Narrator (voice: English version) (as Erika Harlatcher-Stone) Narrator (voice: English version) (as Erika Harlatcher-Stone) See fewer	Persona 5 (2016)
Aleks Le Sin (voice: English version) Sin (voice: English version) See fewer	Solo Leveling (2024)
Ryan Colt Levy Donny (voice: English version) Donny (voice: English version) See fewer	Chainsaw Man (2022)
Michelle Marie Nasiens (Child) (voice: English version) Nasiens (Child) (voice: English version) See fewer	Hello Kitty and Friends Supercute Adventures (2020)
Edward A. Mendoza Percival (voice: English version) Percival (voice: English version) See fewer	The Titan's Bride (2020)
Marin M. Miller Nasiens (voice: English version) Nasiens (voice: English version) See fewer	Puella Magi Madoka Magica (2011)
Kayli Mills Dolores (voice: English version) Dolores (voice: English version) See fewer	Re: Zero - Starting Life in Another World (2016)
Brent Mukai Bob (voice: English version) Bob (voice: English version) See fewer	Demon Slayer: Kimetsu No Yaiba - To the Swordsmith Village (2023)
Bill Rogers Ordo (voice: English version) Ordo (voice: English version) See fewer	Blood Red Sky (2021)
Arthur Romeo Additional Cast (voice: English version) Additional Cast (voice: English version) See fewer	Cruel Will (2014)
Daniel Walton Additional Cast (voice: English version) Additional Cast (voice: English version) See fewer	Mars Express (2023)
Yong Yea Nob (voice: English version) Nob (voice: English version) See fewer	KPop Demon Hunters (2025)