it never ends in your place. what? misread a cue card. he was the first guest to welcome back letterman after heart surgery. good to have the big man back, isn t it? reporter: when regis came back from his own bypass surgery, letterman was his first guest. soon they were baring their legs to show off their bypass grafts, and at 79, regis doesn t look or act his age. you make me feel so spring as sprung reporter: regis holds the guinness world record for the most time spent in front of these, tv cameras. joey bishop s sidekick in the 60s. any special significance? no, it s a thing, man. that s his thing. well, i m glad he s finally gotten one. reporter: now, more than four decades later, recommendations lis stop doing his thing, his