The Carol Burnett Show (also Carol Burnett and Friends in syndication) is an American variety/sketch comedy television show starring Carol Burnett, Harvey Korman, Vicki Lawrence and Lyle Waggoner. In 1974, frequent guest star Tim Conway became a regular when Waggoner left this show to act in the series Wonder Woman. In 1977, Dick Van Dyke replaced Korman for much of its final season. The show originally ran on CBS from September 11, 1967, to March 29, 1978, for 279 episodes, and again with nine episodes in the fall of 1991. The series originated in CBS Television City's Studio 33 and won 25 prime-time Emmy Awards, was ranked No. 16 on TV Guide's 50 Greatest TV Shows of All Time in 2002, and in 2007 was listed as one of Time magazine's "100 Best TV Shows of All Time".