A girl and her robot companion search for her mother, who's lost within a vast chasm.
Episodes
Season 1 - Episodes
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S00E16 - メイドインアビス 目覚ã‚る神秘
Season 0 · Episode 16
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Airs Thursday, Oct 22, 2026
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S01E01The City of the Great Pit
Aired: 10 Jun. 2017
Show details expand_moreWhile exploring the Abyss, Riko comes across something she has never seen before. How does this new discovery impact her?
Stars: Miyu Tomita, Mariya Ise, Mutsumi Tamura
Director(s): Hitoshi Haga, Masayuki Kojima
Writer(s): Akihito Tsukushi, Hideyuki Kurata
Stars: Miyu Tomita, Mariya Ise, Mutsumi Tamura
Director(s): Hitoshi Haga, Masayuki Kojima
Writer(s): Akihito Tsukushi, Hideyuki Kurata
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S01E02Resurrection Festival
Aired: 14 Jul. 2017
Show details expand_moreRiko and Reg find out more about their past but the question still remains, who or what exactly is Reg?
Stars: Miyu Tomita, Mariya Ise, Mutsumi Tamura
Director(s): Masayuki Kojima, Satoshi Mori
Writer(s): Akihito Tsukushi, Hideyuki Kurata
Stars: Miyu Tomita, Mariya Ise, Mutsumi Tamura
Director(s): Masayuki Kojima, Satoshi Mori
Writer(s): Akihito Tsukushi, Hideyuki Kurata
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S01E03Departure
Aired: 21 Jul. 2017
Show details expand_moreReg goes on his first cave raid. Meanwhile, Riko makes preparations to go into the abyss to find her mother.
Stars: Miyu Tomita, Mariya Ise, Mutsumi Tamura
Director(s): Masayuki Kojima, Seung Hui Son
Writer(s): Akihito Tsukushi, Hideyuki Kurata
Stars: Miyu Tomita, Mariya Ise, Mutsumi Tamura
Director(s): Masayuki Kojima, Seung Hui Son
Writer(s): Akihito Tsukushi, Hideyuki Kurata
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S01E04The Edge of the Abyss
Aired: 28 Jul. 2017
Show details expand_moreRiko and Reg start their adventure into the Abyss, while there they run into an unexpected familiar face.
Stars: Miyu Tomita, Mariya Ise, Mutsumi Tamura
Director(s): Shinya Iino, Masayuki Kojima
Writer(s): Akihito Tsukushi, Keigo Koyanagi
Stars: Miyu Tomita, Mariya Ise, Mutsumi Tamura
Director(s): Shinya Iino, Masayuki Kojima
Writer(s): Akihito Tsukushi, Keigo Koyanagi
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S01E05Incinerator
Aired: 4 Aug. 2017
Show details expand_moreRiko and Reg descend into the Forest of Temptation. What new dangers will they find laying in wait for them there?
Stars: Miyu Tomita, Mariya Ise, Sayaka Ôhara
Director(s): Masayuki Kojima, Toshiharu Kudo
Writer(s): Akihito Tsukushi, Keigo Koyanagi
Stars: Miyu Tomita, Mariya Ise, Sayaka Ôhara
Director(s): Masayuki Kojima, Toshiharu Kudo
Writer(s): Akihito Tsukushi, Keigo Koyanagi
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S01E06Seeker Camp
Aired: 11 Aug. 2017
Show details expand_moreReg and Riko make it to the Seeker Camp where they meet Ozen the Immovable, the person who saved Riko all those years ago. But there is more to Ozen than meets the eye.
Stars: Miyu Tomita, Mariya Ise, Sayaka Ôhara
Director(s): Hitoshi Haga, Masayuki Kojima
Writer(s): Akihito Tsukushi, Keigo Koyanagi
Stars: Miyu Tomita, Mariya Ise, Sayaka Ôhara
Director(s): Hitoshi Haga, Masayuki Kojima
Writer(s): Akihito Tsukushi, Keigo Koyanagi
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S01E07The Unmovable Sovereign
Aired: 18 Aug. 2017
Show details expand_moreOzen reveals more about the Abyss as well as the truth behind Riko's origins. What will happen when Ozen shows her true colors?
Stars: Miyu Tomita, Mariya Ise, Sayaka Ôhara
Director(s): Shinya Iino, Masayuki Kojima
Writer(s): Akihito Tsukushi, Hideyuki Kurata
Stars: Miyu Tomita, Mariya Ise, Sayaka Ôhara
Director(s): Shinya Iino, Masayuki Kojima
Writer(s): Akihito Tsukushi, Hideyuki Kurata
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S01E08Survival Training
Aired: 25 Aug. 2017
Show details expand_moreOzen tasks Riko and Reg to survive alone outside the Seeker Camp. Do they come out alive and unscathed? Or does the Abyss have a dirty trick up its sleeve?
Stars: Miyu Tomita, Mariya Ise, Sayaka Ôhara
Director(s): Shinya Iino, Masayuki Kojima
Writer(s): Akihito Tsukushi, Hideyuki Kurata
Stars: Miyu Tomita, Mariya Ise, Sayaka Ôhara
Director(s): Shinya Iino, Masayuki Kojima
Writer(s): Akihito Tsukushi, Hideyuki Kurata
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S01E09The Great Fault
Aired: 1 Sep. 2017
Show details expand_moreReg and Riko continue their descent after they leave Ozen's Seeker Camp. Riko's mettle is tested as Reg passes out and she has to fend for herself.
Stars: Miyu Tomita, Mariya Ise, Sayaka Ôhara
Director(s): Hitoshi Haga, Masayuki Kojima
Writer(s): Akihito Tsukushi, Hideyuki Kurata
Stars: Miyu Tomita, Mariya Ise, Sayaka Ôhara
Director(s): Hitoshi Haga, Masayuki Kojima
Writer(s): Akihito Tsukushi, Hideyuki Kurata
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S01E10Poison and the Curse
Aired: 8 Sep. 2017
Show details expand_moreRiko and Reg venture into the fourth layer, the Goblets of Giants, where their adventure takes a turn for the worse.
Stars: Miyu Tomita, Mariya Ise, Shiori Izawa
Director(s): Masayuki Kojima, Seung Hui Son
Writer(s): Akihito Tsukushi, Keigo Koyanagi
Stars: Miyu Tomita, Mariya Ise, Shiori Izawa
Director(s): Masayuki Kojima, Seung Hui Son
Writer(s): Akihito Tsukushi, Keigo Koyanagi
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S01E11Nanachi
Aired: 15 Sep. 2017
Show details expand_moreNanachi sends Reg on a mission to find certain items that could possibly save Riko. Meanwhile, Nanachi reveals a little more about themselves.
Stars: Miyu Tomita, Mariya Ise, Shiori Izawa
Director(s): Masayuki Kojima, Toshiharu Kudo
Writer(s): Akihito Tsukushi, Keigo Koyanagi
Stars: Miyu Tomita, Mariya Ise, Shiori Izawa
Director(s): Masayuki Kojima, Toshiharu Kudo
Writer(s): Akihito Tsukushi, Keigo Koyanagi
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S01E12The True Nature of the Curse
Aired: 22 Sep. 2017
Show details expand_moreNanachi shows Reg the truth about the Abyss. Meanwhile, Riko is still recovering from her injuries when she has a strange dream.
Stars: Miyu Tomita, Mariya Ise, Shiori Izawa
Director(s): Masayuki Kojima
Writer(s): Akihito Tsukushi, Keigo Koyanagi
Stars: Miyu Tomita, Mariya Ise, Shiori Izawa
Director(s): Masayuki Kojima
Writer(s): Akihito Tsukushi, Keigo Koyanagi
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S01E13The Challengers
Aired: 29 Sep. 2017
Show details expand_moreNanachi and Mitty's past is revealed. How did they become what they are and who is responsible for it? Meanwhile, Riko is on the mend after her injuries.
Stars: Miyu Tomita, Mariya Ise, Shiori Izawa
Director(s): Masayuki Kojima, Satoshi Mori
Writer(s): Akihito Tsukushi, Hideyuki Kurata
Stars: Miyu Tomita, Mariya Ise, Shiori Izawa
Director(s): Masayuki Kojima, Satoshi Mori
Writer(s): Akihito Tsukushi, Hideyuki Kurata










































