List of Yo Gabba Gabba! episodes

The following is an episode list for Yo Gabba Gabba, a children's television series broadcast by Nickelodeon. The show debuted on August 20, 2007 and ended on November 12, 2015. It aired on Nick Jr., Nickelodeon's sister channel.

These pilots have not been broadcast.

All first season episodes written by Christian Jacobs and Scott Schultz.

Production of the second season was greenlit in Dec 2007. Production started in March 2008 in Orange County, California.

The third season started production in 2009 and began airing on Nickelodeon in March 2010 with an order of 26 episodes. The season was later split in half, making a fourth season.

Season 4 was cleared for production in March 2011. A number of unreleased episodes have been referred to by online sources. Nickelodeon's website hosted clips from a number of them as well. Four episodes were first broadcast in January 2015.

...
Wikipedia