\r<br>Robin Williams first appearance on The Tonight Show Starring Johnny Carson is so wacky that Robin has to calm himself down and drink from Johnnys mug.\r<br>\r<br>Frank Sinatra is surprised when Don Rickles suddenly appears in one of the funniest moments on The Tonight Show Starring Johnny Carson in 1976. In this .\r<br>\r<br>\r<br>\r<br>\r<br>\r<br>
