The third season of the American animated television series Adventure Time, created by Pendleton Ward, originally aired on Cartoon Network in the United States.Featuring to the first of the popular Fionna and Cake episodes, as well as marking the first time that fan-submitted content was canonized. Ward also noted that the storyboard artists affected the overall tone of the show, moving it towards more bizarre and spiritual matters. The season was storyboarded and written by Ako Castuera, Tom Herpich, Adam Muto, Rebecca Sugar, Jesse Moynihan, Bert Youn, Kent Osborne,…