Johnny commented on McDonalds 'Over x Million Served' sign. Said that if they kept selling burgers at this pace, they were gonna have to get another cow.
I was young, and that was hilarious...
When I was a small kid I remember Carson making a joke about Pope John the 23rd regarding birth control (remember Pope John the 23rd was Italian). The joke was, "He don't playa da game, he shouldn't make-a da rules."