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The first season premiered in the US on May 3, 2011, with the episode "The DVD" and ended March 12, 2012, with the episode "The Fight" almost a year later. The first season began filming on November 2, 2010, and ended filming on September 13, 2011. In a behind-the-scenes video documenting the production of the second season, creator Ben Bocquelet expanded on the development of some of the characters, and how they are based on interactions from his childhood. 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 focuses on the misadventures of Gumball Watterson, a blue 12-year-old cat, along with his adopted brother, Darwin, a 10-year-old goldfish.
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