Let's don't forget the one's that predate the telly...

At the curve...
the car was whizn...
the fault was hers...
the funeral hizn...
Burma Shave

At the school yard...
take it slow...
let our little...
shavers grow...
Burma Shave

For those who never saw them (myself included), these were road signs placed every so many feet apart. Apparently in the midwest they were immensely popular as they broke up the monotony of a long car trip. I have a book with the complete collection. Some are really hilarious

Freightdawg