At about the one-hour, sixteen-minute mark, the babysitter sees herself in the television as well as "Art the Clown." She turns around away from the TV and we can see in the mirror she is now facing that the TV is off. When she turns back, the TV is still on.
In 2013. someone is using a VHS video cassette.
In the 90-s OK, but in 2013. even DVD is outdated.