TV show availability guide
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. And here alone, a young man with a wish in his heart is trying to challenge the front line of Asylum.
2021 5.8/10 community score 1 season · 12 episodes Ended
- Animation
- Sci-Fi & Fantasy
- Action & Adventure
Viewing market
Country-level availability
Where to watch in United States
4 platforms currently listed across all viewing options
Data checked 27 Oct 2026, 12:50 UTC
Included with subscription
2Streaming providerCrunchyrollNo linked platform guide yetDetails unavailable Streaming providerCrunchyroll Amazon ChannelNo linked platform guide yetDetails unavailable
Buy
2Streaming providerAmazon VideoNo linked platform guide yetDetails unavailable Streaming providerApple TV StoreNo linked platform guide yetDetails unavailable
Series schedule
Seasons and episode dates
A concise series timeline, including the latest aired episode and the next date currently listed.
- First aired
- Seasons
- 1
- Episodes
- 12
- Status
- Ended
Latest aired episode
S1 E12
Resolution
Aired 24 min
Shigure travels through time once more to save Vera and stop Iceman from destroying the world.
Next listed episode
No upcoming episode date is currently listed.
Season guide
Most recent seasons first
Season 1
12 episodes
First episode aired
About these dates: Air dates describe the series schedule and may change. They do not confirm that an episode is available on the same date from the providers listed above.
Reader conversation
Community discussion
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