Deep Insanity: The Lost Child (2021): cast, story & where to watch

Released in 2021, Deep Insanity: The Lost Child is an animation, sci-fi & fantasy and action & adventure series.

What it’s about. 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.

Who’s in it. Deep Insanity: The Lost Child stars Hiro Shimono as Daniel Kai Shigure (voice), Ami Koshimizu as Vera Rustamova (voice), Kohsuke Toriumi as Leslie Blanc (voice) and Yuya Hirose as Lawrence Larry Jackson (voice), among others.

How it landed. With an audience score of 5.8/10, Deep Insanity: The Lost Child has drawn a solid, mixed-to-positive response.

Where to watch. In US you can stream it on Crunchyroll and Crunchyroll Amazon Channel and rent or buy it from Amazon Video and Apple TV Store. See the full, country-by-country breakdown on our where to watch Deep Insanity: The Lost Child page.

If you liked it. Fans of Deep Insanity: The Lost Child tend to enjoy Rick and Morty, Demon Slayer: Kimetsu no Yaiba, Attack on Titan and Attack on Titan: No Regrets.