"2012-09-03Z"^^ . . . "21"^^ . . . "Who Would Win"@en . . . "4"^^ . "\"Who Would Win\" is the twenty-first episode of the fourth season of the American animated television series Adventure Time. The episode was written and storyboarded by Ako Castuera and Jesse Moynihan, from a story by Patrick McHale, Kent Osborne, and Pendleton Ward."@en . . . . .