3Hz

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

• 2021 – 2023
• Returning Series
• Mystery · Kids
• ~23m / ep
• 3 seasons
• 7.0/10

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.