Deep Insanity: The Lost Child (2021)

Action · Animation · Sci-Fi

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.

IMDb rating: 4.5 (122 votes)
Seasons: 1
Streaming (US): Crunchyroll
Language: JA
Type: Mini-series

Browse seasons by rating shape → Open in Rising Shows app → View on IMDb

Ratings refreshed Jul 3, 2026 · 1 season indexed

Cast

Seasons

Season 1 (2021)

5.14 avg 8 episodes 4.6 → 5.3

Season 1 episodes — IMDb ratings
#	Title	Rating	Votes
1	Take 01	4.6	17
2	Take 02	4.9	9
3	Take 03	4.7	9
4	Take 04	5.3	8
5	Take 05	5.5	8
6	Take 06	5.3	8
7	Take 07	5.5	8
8	Take 08	5.3	8