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.
13 episodes · September 1, 2021
Yes — 3Hz is still running and has been renewed for more.
3Hz has 3 seasons and 39 episodes, and first aired in 2021.
3Hz holds an average rating of 7.0/10 on TMDB, and it lands best with fans of kids and mystery. Join the discussion below to add your take.
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