center in hollywood. it's the late show starring joan rivers. and now, ladies and gentlemen, miss joan rivers! >> every-major star wanted to do the show. the first night, cher, elton john singing the bitch is back. it was insane and exciting and wonderful. and then, the problems started. >> there was nobody more competitive than johnny carson. and if johnny perceived that somebody was disloyal, the relationship was over. >> oh, i think, absolutely, the -- the tonight show was trying to punish my mom. the carson show made it very clear that, if you did her show, you were no longer welcome on "the carson show." >> when the show didn't do as well as foxx had hoped, that i started meddling and kind of took the power away from her husband. >> my dad, edgar, did all the business. he did all the negotiations. he did everything to make sure that all my mom ever had to do