Below, dark refers to the day when the show does not play at all.
The instance of a show not playing is referred to as dark.
When it is dark, one can expect to see a show playing.
A child removes lights from the tree.
A group of cats are laying around.
A woman in white stands outside a cafe.
A Japanese woman is selling sushi.
They fought long wars against their enemies people.
It's clear that the periodic appearance is what's called the Left-Behind White.