here's tim with our own harvey korman as a brand new dentist with his very first patient. t as to whether harvey was going to break up, but how far he could get along in the sketch before he broke up. >> novocaine. okay here. novocaine. take a firm hold of the hypodermic needle. right. >> they never knew what he was going to do. but they knew it was not going to be what they expected. >> when they did the dentist sketch none of that was rehearsed. >> yeah, be right with you. >> poor harvey was helpless, tears coming down. and tim swears that harvey wet his pants during that sketch. >> i don't know why that worked so well. watching two actors break character and just crack each other up should not be as entertaining, but somehow when it's tim conway and harvey korman doing it, i could watch that stuff forever. >> i just thought if we have fun, the audience will. we're going to go out there and do what we do best, and it worked. >> you can plan it and write it and rehearse it. but you hope for some magic. it was carol, carol, the magic of carol burnett. shawn evans: it's 6 am

and harvey korman was interviewing me voice-over. one of the jokes was, he said, "so what do you nudists do for recreation?" and my line was, "well, we have dances every saturday night." "well, how do you nudists dance?" and my line was, "very carefully." ( laughter ) well, for some reason, they thought that was risque. ( laughter ) >> stephen: that was too dirty? >> it was too dirty. they said, "you have to come up with another line." this is what they bought. "so what do you nudist do for recreation?" "we have dances every saturday night." "how do you nudists dance?" "cheek to cheek." ( laughter ) ( cheers and applause ) >> stephen: not bad. >> that was better! >> stephen: not bad. okay, so, you've got-- the book that you have written about the 11 years doing "the carol burnett show." which is out in paperback right now. and there is a special coming out on december-- when will that air? >> third. >> stephen: december third. >> sunday. >> stephen: i am in it. >> yes, you are! ( cheers and applause ) >> stephen: but i want to go bac