The fourth season of the American animated comedy television series Regular Show, created by J. G. Quintel, originally aired on Cartoon Network in the United States. Quintel created the series' pilot using characters from his comedy shorts for the canceled anthology series The Cartoonstitute. He developed Regular Show from his own experiences in college. Simultaneously, several of the show's main characters originated from his animated shorts 2 in the AM PM and The Naïve Man from Lolliland. Following its third season's success, Regular Show was renewed for a fourth season on October 26, 2011. The season ran from October 1, 2012 to August 12, 2013, and was produced by Cartoon Network Studios.

The fifth season of the American animated comedy television series Regular Show, created by J. G. Quintel, originally aired on Cartoon Network in the United States. Quintel created the series' pilot using characters from his comedy shorts for the canceled anthology series The Cartoonstitute. He developed Regular Show from his own experiences in college. Simultaneously, several of the show's main characters originated from his animated shorts 2 in the AM PM and The Naïve Man from Lolliland. Following its fourth season's success, Regular Show was renewed for a fifth season on November 1, 2012. The season ran from September 2, 2013 to August 14, 2014 and was produced by Cartoon Network Studios.