The Tonight Show

American late-night talk show franchise (since 1954)

The Tonight Show is an American late-night talk show that has been broadcast on NBC since 1954. The program has been hosted by seven comedians: Steve Allen (1954–1957), Ernie Kovacs (1956–1957), Jack Paar (1957–1962), Johnny Carson (1962–1992), Jay Leno (1992–2009 and 2010–2014), Conan O'Brien (2009–2010) and Jimmy Fallon (since 2014). Besides the main hosts, a number of regular "guest hosts" have been used, notably Ernie Kovacs, who hosted his own version of Tonight two nights per week during 1956–1957, and a number of guest hosts used by Carson, who curtailed his own hosting duties back to three nights per week by the 1980s.

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