it's agony. >> jack parr invented the late night television talk show. >> you feel confident?there is not a man in the world that can beat me. i'm as good as liberace. >> jack had, in his corner, his personality. >> his fabulously, complex, frighteningly neurotic, but in other cases, enthusiastic, informed personality. it made for great television. >> how much time have i done? >> i don't have a watch either. >> has it been charming? i'll quit now. >> here's johnny! >> johnny carson inherited "the tonight show" but he made it his own. >> it is going to be wild tonight, i can always tell. >> he hosted a nightly party. >> are you married? >> oh. >> and if his buddies came, and they started playing together, you felt like what it must have felt like to go to las vegas at 3:00 a.m. and have the rat pack come out. >> no, but where is the guy you talk to? >> it was a beautiful thing to watch a guy working at his best. >> okay. let's go. ♪ [ laughter ] >> if you watch it closely, he is gauging how much longer he can wait to let the laugh die before what he says will be irrelevant to