Desc: Get Happy: Directed by Martin Charnin, Dave Wilson. With Jack Lemmon, Diahann Carroll, Johnny Mathis, Dinah Shore. TV special, hosted by Jack Lemmon, which ran 90 minutes long and aired on February 24, 1973. In a Wizard of Oz-like spoof, Jack is knocked out by a broom in black and white and when he wakes up he finds himself in 'Arlenland' and with everything in color. He then begins a journey to find Harold Arlen and along the way he meets Diahann Carroll, Johnny Mathis, Dinah Shore, Cass Elliot, and Doc Severinsen who each perform various Harold Arlen songs. Jack eventually finds Harold Arlen and the show ends with the song 'Over the Rainbow'.