Did You Know?
Parr announced he was quitting the show in 1962. Possible successors had been rumored before because Parr was so often close to quitting. Johnny Carson
's name would always come up because he had so smoothly filled in during occasional assignments as guest host. After a short winnowing process that included a tryout performance in which Carson's stand-up act electrified an audience of advertising executives at the Greenbrier resort in Virginia, NBC had a clear choice. Carson had already turned down the job once fearing following a figure of national fascination like Parr amounted to professional suicide. Carson did accept the job when NBC came back a second time, but a contract with ABC committed him to "Who Do You Trust" for 26 more weeks. NBC was willing to wait: the network was sure it had the right man. See more
[Jack Paar's last words as host of The Tonight Show, calling to his dog sitting in the audience
Come on, Lika... we're going home.
Referenced in 30 Rock: The Fabian Strategy