3Hz

3Hz is a Belgium children series which aired on Ketnet. The series premiered on September 1, 2021.

Felix (Junes Callaert) can listen to the past with his vintage walkman. Together with his friends, he searches for answers about the death of his mother and thus discovers an environmental scandal. Illegally dumped trash from the 1980s threatens their village. What does the death of Felix's mother have to do with it, and can he prevent disaster?