Yo Gabba Gabba (Lost Pilot Episodes;2006)

Yo Gabba Gabba was a kids program that ran on Nick Jr from 2007 to the present day .

There were 2 Pilots made before the show premiered in 2007

Information
These 2 pilots were produced in 2006 and were never broadcast to the public. The first pilot was called Short Story and the 2nd one was called Play. The first pilot's closing remix was done by Digital Unicorn and the 2nd Pilot's closing remix was done by Lance Robertson who is the presenter of the show. Although these 2 Pilots have not surfaced the theme song has been uploaded to YouTube and Vimeo.

Sources.
https://en.wikipedia.org/wiki/List_of_Yo_Gabba_Gabba!_episodes.