“What if by listening to the past, you could save the future?”
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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Last updated: June 9, 2026
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Quick answers about 3Hz wallpapers, cast, and downloads.
Moviely has 4 free 3Hz cinematic wallpapers available to browse, preview in Mac Mode, and download.
Yes. Every 3Hz backdrop on Moviely is free to preview and download for personal desktop or mobile wallpaper use.
3Hz wallpapers are available in HD and original quality, with smart resolution suggestions based on your display.
Yes. Open any 3Hz wallpaper in Mac Mode to preview it on a desktop or iPhone lock screen before downloading.
Open the 3Hz page, pick a backdrop, choose your preferred resolution (HD, Full HD, or Original), and click Download.
3Hz first aired in 2021. Moviely hosts cinematic wallpapers captured from the TV series's official backdrop imagery.
3Hz is categorized as Mystery, Kids.
3Hz stars Junes Callaert, Cécile Enthoven, Arthur Hermans, Maja Aziza, Stan Van Samang.
3Hz has a runtime of 23min.
3Hz has 3 seasons on record.
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