 Starting in 1968, they returned frequently, and sometimes for several weeks, to Las Vegas, as headliners at the Sahara Hotel, The Dunes Hotel, The Flamingo Hilton (1969, 1970, 1972, 1973, 1974), Caesars Palace (1969) and The Thunderbird Hotel (1976).Guest shots followed on such national TV shows as "The Ed Sullivan Show" (7 episodes),"The Mike Douglas Show" (30 episodes), "The Hollywood Palace", "The Milton Berle Show", "The Andy Williams Show", "The Merv Griffin Show" (26 episodes),"The Tonight Show Starring Johnny Carson" (9 episodes) "The David Frost Show" (3 episodes), "The Red Skelton Show" (03/28/67) "The Joey Bishop Show" (2 episodes) "That Show with Joan Rivers" (12/13/68) and "The Today Show", and Sandler and Young became one of the most popular acts in show business.They were imitated by Martin Short (playing Sandler) and Eugene Levy (playing Young) on the comedy TV show "SCTV".