Do you know where your children are?

"Do you know where your children are? " is a question used as a public service announcement (PSA) for parents on American television from the late 1960s through the late 1980s. Accompanied by a time announcement, this phrase is typically used as a direct introduction for the originating station's late-evening newscast, typically at either 10:00 p.m.

Source: Wikipedia — Do you know where your children are? (CC BY-SA 4.0)