Warning: Major spoilers ahead for "Stranger Things" season four, part one. The chimes of a grandfather clock featured in "Stranger Things" have become a trending TikTok sound. In the humorous videos, ...

A grandfather clock chimes four times, and chills run through the bodies of the kids of "Stranger Things" because they all know it means Vecna, the evil entity who rules the Upside Down, is coming for ...