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Deep Insanity: The Lost Child

Deep Insanity: The Lost Child

35/100
10 Ratings
Deep Insanity: The Lost Child Poster
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2021 - 2021

Action & Adventure

14+ (TV-14)

Madness and unawakening sleep, Randolph syndrome. This new illness is slowly but steadily approaching humanity, caused by the huge underground world Asylum that appeared in Antarctica. There are strange creatures different from the earth, and unknown resources. People bet their lives on the depths of the mysterious new world to get huge wealth, organizational plots, or their own ambitions. Here alone, a young man with a wish in his heart is trying to challenge the front line of Asylum.

Where to Watch

Prime Video
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Available to rent or buy

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Currently you are able to watch Deep Insanity: The Lost Child streaming on Crunchyroll (Via Prime Video), Funimation, and Roku. It is also possible to buy Deep Insanity: The Lost Child on Prime Video, and Apple TV.

'Deep Insanity: The Lost Child' Streaming: How to Watch Anywhere

Currently, Deep Insanity: The Lost Child is available in the UK, New Zealand, and the US

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CountryServicesAccess with NordVPN
United StatesCrunchyroll Premium, Funimation, Roku
United KingdomFunimation
AustraliaNot Available
CanadaNot Available
New ZealandFunimation

Streaming availability last updated: 03:04:08 AM, 05/22/2025 PST

More Information on Deep Insanity: The Lost Child

Madness and unawakening sleep, Randolph syndrome. This new illness is slowly but steadily approaching humanity, caused by the huge underground world Asylum that appeared in Antarctica. There are strange creatures different from the earth, and unknown resources. People bet their lives on the depths of the mysterious new world to get huge wealth, organizational plots, or their own ambitions. Here alone, a young man with a wish in his heart is trying to challenge the front line of Asylum. Deep Insanity: The Lost Child featuring Hiro Shimono and Ami Koshimizu has one or more episodes streaming with subscription on Crunchyroll (Via Prime Video), streaming with subscription on Funimation, available for purchase on Apple TV, and 2 others. It's an action & adventure and anime show with 12 episodes over 1 season. Deep Insanity: The Lost Child is no longer running and has no plans to air new episodes or seasons.

Action & Adventure

Anime

2021

14+ (TV-14)

1 Season

JP

Daniel Kai Shigure (voice)

Hiro Shimono

Vera Rustamova (voice)

Ami Koshimizu

Leslie Blanc (voice)

Kohsuke Toriumi

Lawrence Larry Jackson (voice)

Yuya Hirose

Reika Kobato (voice)

Ruriko Noguchi

Sumire Motiki (voice)

Kaede Hondo

EL-Cee (voice)

Takako Tanaka

Deep Insanity: The Lost Child Poster
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Deep Insanity: The Lost Child Backdrop

Ratings & Reviews

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80%
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10%
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Love
10%
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35
/ 100
10 Ratings
#46895of all TV Shows

The Reelgood Score is a comprehensive weighted index designed to evaluate movie & TV quality, deriving its value from a blend of Reelgood user engagement, external ratings metrics expressed through content popularity, and user feedback, including ratings such as "loved," "liked," and "disliked." The score is presented on a scale from 1 to 100, where 100 signifies content that is highly esteemed and positively rated within the community.

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EPISODE GUIDE

Deep Insanity: The Lost Child Season 1 Overview

Oct 13, 2021 - Dec 29, 2021

Season 1 of Deep Insanity: The Lost Child has 12 episodes that are available to stream on Crunchyroll Premium, Funimation, Roku and for Rent or Purchase on 2 Services.

Deep Insanity: The Lost Child Season 1 Episodes

Season 01, Episode 12 Resolution
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S01 E12Resolution
Dec 29, 2021

Shigure travels through time once more to save Vera and stop Iceman from destroying the world.

S01 E12 of Deep Insanity: The Lost Child is available to stream on Crunchyroll Premium, Funimation, Roku and for Rent or Purchase on 2 Services.

Season 01, Episode 11 Revolution
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S01 E11 Revolution
Dec 22, 2021

Now trapped in a time loop, Shigure struggles to unravel the mystery behind EL-Cee and Iceman's plans.

S01 E11 of Deep Insanity: The Lost Child is available to stream on Crunchyroll Premium, Funimation, Roku and for Rent or Purchase on 2 Services.

Season 01, Episode 10 Re: take
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S01 E10 Re: take
Dec 14, 2021

Vera removes Shigure from the platoon, but he's not ready to leave the Asylum just yet…

S01 E10 of Deep Insanity: The Lost Child is available to stream on Crunchyroll Premium, Funimation, Roku and for Rent or Purchase on 2 Services.

All Seasons of Deep Insanity: The Lost Child

poster
Season 1
12 Episodes | Prime Video, Apple TV, Crunchyroll Premium, Funimation, Roku, & Rent or Buy

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Cast & Crew for Deep Insanity: The Lost Child

HS

Hiro Shimono

Daniel Kai Shigure (voice)