Series

Deep Insanity: The Lost Child

★ 5.9(11)202124m1 season

Animation Sci-Fi & Fantasy Action & Adventure

Deep Insanity: The Lost Child is streaming on Crunchyroll Amazon Channel and Crunchyroll in Canada, and available to rent or buy on Apple TV Store. Availability checked 17 June 2026.

Where to watch Deep Insanity: The Lost Child

🇨🇦 Canada

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Good to know

Release date: 2021-10-13
Runtime: 24m
Language: Japanese
Seasons: 1
Episodes: 12
Network: Tokyo MX
Status: Ended
Country: Japan
Studio: SILVER LINK.

Deep Insanity: The Lost Child — trailer

About Deep Insanity: The Lost Child

Deep Insanity: The Lost Child is a 2021 web series in the Animation, Sci-Fi & Fantasy and Action & Adventure genres, starring Hiro Shimono, Ami Koshimizu and Kohsuke Toriumi. It spans 1 season and 12 episodes, and originally aired on Tokyo MX. It holds an average rating of 5.9/10 from 11 viewers. Below you can see where to watch Deep Insanity: The Lost Child in Canada — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.

Synopsis

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. And here alone, a young man with a wish in his heart is trying to challenge the front line of Asylum.

Seasons (1)

Season 112 eps · 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)

Themes & keywords

supernatural creatureanimerare disease

Frequently asked questions

Where can I watch Deep Insanity: The Lost Child in Canada?+

In Canada, you can stream Deep Insanity: The Lost Child on Crunchyroll Amazon Channel and Crunchyroll. It's also available to rent or buy on Apple TV Store.

Is Deep Insanity: The Lost Child on Netflix?+

Deep Insanity: The Lost Child is not on Netflix in Canada right now, but you can stream it on Crunchyroll Amazon Channel and Crunchyroll.

How many seasons of Deep Insanity: The Lost Child are there?+

Deep Insanity: The Lost Child has 1 season and 12 episodes in total.

Who stars in Deep Insanity: The Lost Child?+

Deep Insanity: The Lost Child stars Hiro Shimono, Ami Koshimizu, Kohsuke Toriumi, Yuya Hirose and Ruriko Noguchi.

When did Deep Insanity: The Lost Child come out?+

Deep Insanity: The Lost Child is a 2021 web series.

What genre is Deep Insanity: The Lost Child?+

Deep Insanity: The Lost Child is Animation, Sci-Fi & Fantasy and Action & Adventure series.