HA! It's not "banned" from TV... It's just that Disney never had the balls to keep it in the movie when they played it back in the late '80s.
That clip is from one of the best movies I've ever seen, "The Adventures of Mark Twain". If you want to introduce your kids to Mark Twain, this is the movie to do it with. I highly recommend seeing it.
So I can keep my post on topic, here's a hilarious little vid: