The scene in Airplane where the boy and girl have the conversation with the punchline that she likes her coffee hot and black like her men has a completely alternate version for TV broadcasts where the boy mentions that he's attending a conference for small businessmen. It isn't as outrageous...
Blazing Saddles is another one: o Several more attempts at incapacitating Mongo o Governor Lepetomaine arriving and greeting the fake citizens of fake Rock Ridge o Gabby Johnson translating for Lily ... and a couple others Regards,