What if by listening to the past, you could save the future?
Original title
3Hz
Released
9/1/2021
Origin country
BE
Genre
Kids, Mystery
Production companies
deMENSEN
Status
Returning series
Number of seasons
3
Number of episodes
39
After Felix' walkman gets fixed with clock parts, he is able to hear the past with it. And he slowly finds out his mom's death wasn't just caused by a normal disease. With help from his friends he starts to investigate and discovers the devastating reason for his mom's death.
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