Theory of SigsaComedyFantasyDrama40Theory of Sigsa40ComedyFantasyDramathumb_upthumb_downTheory of SigsaAugust 20, 2025Directed byPark Soo-wonKRlanguage Korean content warning Last Updated: now Request Update CastHong Jin-giHong Seo-huiJung Hyuk Image Gallery RecommendedReturn to ZeroScooby-Doo! Meets the Boo BrothersI Want to Return Return ReturnThe ReturnThe Land Before Time III: The Time of the Great GivingSlayers ReturnScooby-Doo! Return to Zombie IslandReturn of the SevenJudd Apatow: The ReturnReturn to Nim's IslandScooby-Doo! and the Monster of MexicoThe Return of Frank JamesScooby-Doo! Ghastly GoalsReturn to Horror HighPoint of No Return
