he fourth season of the animated television series, Aqua Teen Hunger Force originally aired in the United States on Cartoon Network's late night programming block, Adult Swim. Season four started on December 4, 2005 with "Dirtfoot" and ended with "Carl Wash" which originally made two unannounced stealth airings on December 22, 2006 and January 7, 2007 and later made its official debut on March 25, 2007, with a total of thirteen episodes. This season continues to focus on the surreal adventures and antics of three anthropomorphic fast food items: Master Shake, Frylock, and Meatwad, who live next door to Carl Brutananadilewski in a suburban neighborhood in New Jersey.

This is the final season to air before the 2007 release Aqua Teen Hunger Force Colon Movie Film for Theaters, a feature length film based on the series. Episodes in season four were written and directed by Dave Willis and Matt Maiellaro, and have either a TV-14, TV-PG, or TV-MA parental rating. Almost every episode in this season features a special guest appearance, which continues a practice used in past seasons. During the airing of this season drummer Terence Yerves filed a lawsuit against Schoolly D and Cartoon Network, over claims that he had played a major role in writing the Aqua Teen Hunger Force theme song. This season has been made available on DVD, and other forms of home media.

Overview from themoviedb.org