###
For the undiscovered, they were just supposed to do their act, and then exit stage left.
In was considered a major coup, if they could get Johnny to laugh. You could always hear the distinctive JC laugh in the background. Better yet, was to score such a success that Johnny would invite you over to the couch for a brief chat.
Yep. Just about every famous comedian working today including Dave Letterman, Jay Leno, Roseanne Barr, Tim Allen, Paul Reiser, Robin Williams, Ellen, Jerry Seinfeld and on and on, got “called over” to the couch. Some were told they could stay there for the rest of show. Show biz heaven.