 On February 17, 2014, Rivers returned to the "Tonight Show" as part of a skit in which numerous celebrities paid new host, Jimmy Fallon, after having lost the bet that he would never become the host of the program.Rivers appeared for a full-length interview segment on March 27, 2014.The program of July 26, 1984, with guest host Joan Rivers, was the first MTS stereo broadcast in U.S. television history, though not the first television broadcast with stereophonic sound.