This looks like fun!
Coming soon to Shudder, Late Night With The Devil takes place in 1977, on a night in which a television broadcast brings evil into the world. Before anyone asks, The Brady Bunch Variety Hour did air in 1977 but it started in 1976. So, as tempting as it is to speculate, I think the two events were unrelated.
Here’s the trailer for Late Night With The Devil!