Kent Osborne and Somvilay Xayaphone.
Mark Banker, Patrick McHale, Kent Osborne, and series creator Pendleton Ward. Director: Larry Leichliter. [S3E19] Holly Jolly Secrets
is the collective title for the nineteenth and twentieth episodes of the third season of Adventure Time , originally airing on December 5, 2011. This two-part holiday special is widely regarded as a turning point for the series, transforming the Ice King from a comical, recurring villain into one of the show's most tragic figures through the revelation of his origin as Simon Petrikov. Episode Details Kent Osborne and Somvilay Xayaphone
Jeremy Shada (Finn), John DiMaggio (Jake), Tom Kenny (Ice King/Simon Petrikov), and Niki Yang (BMO). Plot Summary originally airing on December 5