The fourth season of the British-American animated sitcom The Amazing World of Gumball, created by Ben Bocquelet, aired on Cartoon Network in the United States, and was produced by Cartoon Network Development Studio Europe. The series focuses on the misadventures of Gumball Watterson, a blue 12-year-old cat, along with his adopted brother, Darwin, a goldfish. Together, they cause mischief among their family, as well as with the wide array of students at Elmore Junior High, where they attend middle school. The season began filming on January 6, 2015, and ended filming on April 28, 2016.