The sixth season of the British-American animated television sitcom The Amazing World of Gumball, created by Ben Bocquelet, premiered on Cartoon Network in the United States on January 5, 2018, 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 writers for the season were Ben Bocquelet, James Hamilton, Joe Markham, Joe Parham, Jon Purkis, Tobi Wilson, Jack Bernhardt, Andrew Jones, Ciaran Murtagh, Tom Neenan, Cariad Lloyd, Tom Neenan, Jess Ransom, Mic Graves, Jess Ransom, Eddie Robson, Natasha Hodgson, Gemma Arrowsmith, Sophie Duker, Lucien Young, Tony Hull, Richard Overall, and Paul Rice.

The storyboard artists for the season were Adrian Maganza, Chloé Nicolay, Richard Méril, Wandrille Maunoury, Max Loubaresse, Bianca Ansems, Zhihuang Dong, Ben Marsaud, and Oliver Hamilton.