3Hz (2021)

What if by listening to the past, you could save the future?

3 seasons · 39 episodes · 23m· Mystery,· Kids

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.