Written by Neil Goldman and Garrett Donovan, and directed by series main star Zach Braff, it originally aired on January 24, 2006 on NBC.
The episode's references to The Wizard of Oz were called a "sly, circuitous homage" when Scrubs received a Peabody Award in 2006 for "fearlessly smashing traditional comic formulas, all the while respecting the deepest emotional and moral issues of its life-and-death setting.
Laverne's gospel choir is also present, singing a song called "Payback is a Bitch".
Carla can't stand having Jack around and begins to doubt if she's cut out to be a parent.
The episode is an homage to the 1939 MGM musical film adaptation of L. Frank Baum's The Wonderful Wizard of Oz.
Some references are obvious, such as The Worthless Peons singing both "We're Off to See the Wizard" and "Over the Rainbow",[2] the "yellow brick road" painted on the hospital floor, and J.D.
simply wants to go home (the yellow line leading to the exit), and when he does get to leave, there is a rainbow in the sky.
From the point where the yellow line on the hospital floor is visualized as a yellow brick road, the rest of the episode is shot in bright, highly saturated colors, similar to the Technicolor in which The Wizard of Oz was filmed (with the Kansas scenes shot in black and white).