Carson Mr. Rogers Skit with Rare Mego

Although it's hard to be totally sure, it's very likely the doll used for "mom" is Shirley from Mego's short lived and rare Laverne and Shirley line (shown started at about 3 minutes in).

Johnny Carson: Paul McCartney, 1984

Paul McCartney appears on "The Tonight Show Starring Johnny Carson" and discusses "Give My Regards to Broad Street," the frantic years in the Beatles and an ordinary day in his life in 1984.