The third season of the television comedy series Arrested Development aired between September 19, 2005, and February 10, 2006, on Fox in the United States. It consists of 13 episodes, each running approximately 22 minutes in length. The third season was released on DVD in region 1 on August 29, 2006, in region 2 on April 23, 2007, and in region 4 on December 6, 2006. This was the final season of Arrested Development to be aired on Fox, as they had decided to cancel the series. However, Netflix revived the show in 2013 for a fourth season.

Arrested Development is an American television satirical sitcom created by Mitchell Hurwitz. It aired on Fox for three seasons from November 2, 2003, to February 10, 2006, followed by two seasons on Netflix, season four being released in 2013 and season five being released in 2018 and 2019.