and don t say that about your mother. i remember watching on the water front with her and i d be like do you know marlen brando and she d be like oh yes. new fall shows now here we go. alice koorpcooper 360. reporter: letterman is like johnny carson before him, a unique unique looking glass. it was five weeks ago today that these men and women saved my life. or whether the country was struck by tragedy. you can feel it. you can feel it you can see it. it s terribly sad. as he prepared to sign off for the last time after more than 6,000 shows and decades of ground breaking comedy we just want to say, thank you, dave,
balloons. and getting stars to be his comedic side kicks. i know who has your balloons tough guy. even getting matt into the act. how are you doing, matt? everything okay? it s a little warm dave. letterman spoke to jane pauly for cbs sunday morning about closing this chapter in his storied career. any enormous uprooting change in my life has petrified me. really petrified me but once i have come through the other side the reward has been unimaginable. in the 80s letterman was the first host of late night here at nbc. let s go on inside and see how this baby works. reporter: carving out an hour of his ground breaking comedy that followed his mentor johnny carson. you could be a guest, guest host. could to think of it you could have the damned thing. when letterman was passed over to host the tonight show