: Sandra Lee served as the art director for this arc, which featured guest animation and specialized background designs by former lead designer Ghostshrimp . Narrative & Character Development
: These outlines were expanded into full storyboards by artists like Sam Alden , Polly Guo , and Steve Wolfhard . The storyboarders were responsible for writing the dialogue and physical action, making them the primary "writers" of the series. Adventure Time - Season 9
: Episodes began as brief 2-3 page documents containing essential plot points. : Sandra Lee served as the art director