Where to stream

Deep Insanity: The Lost Child

5.820211 seasonTV-14TV SeriesAnimationSci-Fi & FantasyAction & Adventure

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,…

DirectorShin Oonuma

Where to watch

Crunchyroll

Crunchyroll Amazon Channel

Availability shown for United Kingdom · rights vary by country

Seasons & Episodes

take 01

Oct 13, 2021

take 02

Oct 20, 2021

take 03

Oct 27, 2021

take 04

Nov 3, 2021

take 05

Nov 10, 2021

take 06

Nov 17, 2021

take 07

Nov 24, 2021

take 08

Dec 1, 2021

take 09

Dec 8, 2021

E10

Re:take

Dec 15, 2021

E11

Revolution

Dec 22, 2021

E12

Resolution

Dec 29, 2021

Cast

Hiro Shimono

Daniel Kai Shigure (voice)

Ami Koshimizu

Vera Rustamova (voice)

Kohsuke Toriumi

Leslie Blanc (voice)

Yuya Hirose

Lawrence Larry Jackson (voice)

Ruriko Noguchi

Reika Kobato (voice)

Kaede Hondo

Sumire Motiki (voice)

Takako Tanaka

EL-Cee (voice)

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2013 · 6.7

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2020 · 7.5

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2020 · 8.1

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2017 · 7.6

Chivalry of a Failed Knight

2015 · 7.1

See all fromShin Oonuma

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Deep Insanity: The Lost Child — streaming FAQ

Which OTT platform streams Deep Insanity: The Lost Child?

Deep Insanity: The Lost Child is streaming on Crunchyroll in United Kingdom, and available to rent or buy on Apple TV Store and Amazon Video. It's not currently on Netflix.

Is Deep Insanity: The Lost Child on Netflix?

No, Deep Insanity: The Lost Child is not on Netflix in United Kingdom as of September 2026. It's currently on Crunchyroll.

Is Deep Insanity: The Lost Child on Amazon Prime Video?

Deep Insanity: The Lost Child isn't included with a Prime Video subscription in United Kingdom, but you can rent or buy it on Amazon Video.

Where can I watch Deep Insanity: The Lost Child for free?

Deep Insanity: The Lost Child is available on Crunchyroll in United Kingdom, but you'll need an active subscription — there's no free option right now.

How many seasons are in Deep Insanity: The Lost Child?

Deep Insanity: The Lost Child has 1 season in total (12 episodes). The series concluded in 2021.

Are all episodes of Deep Insanity: The Lost Child out yet?

Yes — all 12 episodes across 1 season of Deep Insanity: The Lost Child are out and available to stream.

Is there a Season 2 of Deep Insanity: The Lost Child?

No — Deep Insanity: The Lost Child ended after 1 season, so there is no Season 2.