Four panelists must determine guests' occupations - and, in the case of famous guests, while blindfolded, their identity - by asking only "yes" or "no" questions.

Kraft Music Hall is an umbrella title for several television series aired by NBC in the United States from the 1950s to the 1970s in the musical variety genre, sponsored by Kraft Foods, the producers of a well-known line of cheeses and related dairy products. Their commercials were usually announced by "The Voice of Kraft", Ed Herlihy.

The Ed Sullivan Show is an American TV variety show that originally ran on CBS from Sunday June 20, 1948 to Sunday June 6, 1971, and was hosted by New York entertainment columnist Ed Sullivan. It was replaced in September 1971 by the CBS Sunday Night Movie, which ran only one season and was eventually replaced by other shows. In 2002, The Ed Sullivan Show was ranked #15 on TV Guide's 50 Greatest TV Shows of All Time.

The Dean Martin Show, also known as The Dean Martin Variety Show, is a TV variety-comedy series that ran from 1965 to 1974 for 264 episodes. It was broadcast by NBC and hosted by entertainer Dean Martin. The theme song to the series was his 1964 hit "Everybody Loves Somebody."

The Mike Douglas Show is an American daytime television talk show hosted by Mike Douglas that originally aired only in the Cleveland area during much of its first two years on the air. It then went into syndication in 1963 and remained on television until 1982. It was distributed by Westinghouse Broadcasting and for much of its run, originated from studios of two of the company's TV stations in Cleveland and Philadelphia.

The Tonight Show Starring Johnny Carson is a talk show hosted by Johnny Carson under The Tonight Show franchise from 1962 to 1992. It originally aired during late-night. For its first ten years, Carson's Tonight Show was based in New York City with occasional trips to Burbank, California; in May 1972, the show moved permanently to Burbank, California. In 2002, The Tonight Show Starring Johnny Carson was ranked #12 on TV Guide's 50 Greatest TV Shows of All Time.

The Red Skelton Show is an American variety show that was a television staple for two decades, from 1951 to 1971. It was second to Gunsmoke and third to The Ed Sullivan Show in the ratings during that time. Skelton, who had previously been a radio star, had appeared in several motion pictures as well. Although his television series is largely associated with CBS, where it appeared for more than fifteen years, it actually began and ended on NBC. During its run, the program received three Emmy Awards, for Skelton as best comedian and the program as best comedy show during its initial season, and an award for comedy writing in 1961.