Airplane! is arguably the funniest movie ever made. It was racist, lewd, insensitive, and the script was sprinkled liberally with pedophile jokes. It proves, however, the old comedy maxim that you can get away with anything if the audience laughs.
The video above is an excerpt from the a "making of" video about "the Jive scene", which is without a doubt my favorite scene from the movie ... or, it was. Now I like the "making of" bit better. The funny starts at 0:45.