. "26"^^ . . . . "\"The Lich\" is the twenty-sixth episode and season finale of the fourth season of the American animated television series Adventure Time. The episode was written and storyboarded by Tom Herpich and Skyler Page, from a story by Patrick McHale, Kent Osborne, Pendleton Ward. It originally aired on Cartoon Network on October 22, 2012."@en . . "The Lich"@en . . . . . . . "2012-10-22Z"^^ . "4"^^ .