Adventure Time - Season 9 – Bonus Inside

: 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

: While design and coloring happened in California, the actual animation was handled in South Korea by Rough Draft Korea or Saerom Animation . The "Elements" Miniseries : Sandra Lee served as the art director

: Pendleton Ward (remained as a writer and artist after stepping down as showrunner in earlier seasons) Supervising Directors : Cole Sanchez and Elizabeth Ito : While design and coloring happened in California,