https://www.youtube.com/watch?v=Iwoa7Uzhk1c
1. This is about the third reference to "Tip-Toe Thru' the Tulips With Me" I can recall in a first season Sesame Street bit - don't forget that the show's format was based on Rowan and Martin's Laugh-In, and both it and the song were extremely popular at the time.
2. Bet you couldn't get away with the fat joke about the bowling ball or the reference to Christmas these days.