On August 29, 1968, American TV viewers tuning into a late-night horror broadcast got more than they bargained for.
During a syndicated airing of the 1967 film The Devil’s Brigade — or in some accounts, a local horror movie slot — viewers across multiple states reported hearing a strange, guttural voice layered over the audio. Not part of the film. Not a station announcement. Something else.
Descriptions varied: a low whisper, a distorted growl, speaking in what some thought was Latin or reversed English. Phone lines lit up at TV stations. Viewers asked if they had just heard the devil.
Engineers later blamed the anomaly on audio bleed-through from a neighboring frequency or a tape malfunction. A technical glitch. But for those who heard it, the explanation felt thin. The voice didn’t sound like static. It sounded intentional.
The incident became a minor legend in broadcast history — one of those moments where technology and superstition collided, and no one could quite say which had won.