

Overview
Brought together by a mysterious song, a grad student and an engineer lead the fight against an unimaginable force that may spell doom for the world.
Cast
37Open an episode for ages at its air date.












Full cast · 37
























- TMDB ID
- 111177 ↗
- First aired
- 2021-04-01
- Last aired
- 2021-06-24
- Status
- Ended
- Episode runtime
- 24 min
- Genres
- Animation, Action & Adventure, Sci-Fi & Fantasy, Mystery
- Creators
- Unknown
- Countries
- JP
- Languages
- Japanese
Family guidance
Age ratings
12Spain (ES)
Not recommended for viewers under the age of 12.
TV-14United States of America (US)
This program contains some material that many parents would find unsuitable for children under 14 years of age.
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Kids-In-MindEditorial 0–10 ratings
Kids-In-Mind rates movies, not TV series. This says nothing about the content of this series.
All regional certifications (20)
12Spain (ES)
Not recommended for viewers under the age of 12.
TV-14United States of America (US)
This program contains some material that many parents would find unsuitable for children under 14 years of age.
MAustralia (AU)
Recommended for mature audiences; M-rated content may only be broadcast between 8:30 p.m. and 5:00 a.m. on any day, and additionally between 12:00 p.m. and 3:00 p.m. on schooldays.
14Austria (AT)
Freigegeben ab 14 Jahren
12Brazil (BR)
Content suitable for viewers over the age of 12.
14+Canada (CA)
Programming intended for viewers ages 14 and older. May contain strong violence and strong profanity, and depictions of sexual activity as long as they are within the context of a story.
15+Czech Republic (CZ)
Suitable for persons aged 15 years and over.
12Germany (DE)
The broadcaster must take the decision about the air time by taking in consideration the impact on young children in the timeframe from 6:00am to 8:00pm.
16Hungary (HU)
Programs not recommended for teens and children below the age of 16, may contain more intensive violence and sexual content. A yellow circle with the number 16 written inside is used for this rating.
U/A 13+India (IN)
Viewable for 13 and above years old.
12Ireland (IE)
12A - No-one younger than 12.
P13Malaysia (MY)
Viewers under 13 years of age need parental/guardian supervision while viewing. Can be broadcast anytime, but some elements may only be broadcast at night.
12Netherlands (NL)
Take care with children under 12.
16Poland (PL)
Deviant social behaviour, world filled with violence and sexuality, simplified picture of adulthood, display of physical force, especially in controversial social context (against or by parents, teachers, etc.), immoral behaviour without ethic dilemma, putting the blame on the victim, excessive concentration on material possessions.
15Romania (RO)
Programmes not recommended for teens and children below the age of 15, may contain more intensive violence and sexual content.
12+Russia (RU)
Only kids the age of 12 or older can watch.
PG13Singapore (SG)
No additional details available.
12South Korea (KR)
This rating is for programs that may deemed inappropriate for those younger than 12, and parental discretion should be used. Usually used for animations that have stronger themes or violence then those designed for children, or for reality shows that have mild violence, themes, or language.
น 13+Thailand (TH)
Nor 13+ Movies appropriate for audiences aged 13 and older.
13+Turkey (TR)
Suitable for ages 13 and over.

