Adventure Time - Season 9 May 2026

The development of was characterized by a transition toward high-concept miniseries and a "storyboard-driven" production model led by showrunner Adam Muto . Production Workflow

: Developed by head writer Kent Osborne , showrunner Adam Muto , Jack Pendarvis , and Julia Pott .

: 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 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

The season followed the established creative pipeline at Cartoon Network Studios : The development of was characterized by a transition

: 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.

: Pendleton Ward (remained as a writer and artist after stepping down as showrunner in earlier seasons) Supervising Directors : Cole Sanchez and Elizabeth Ito Narrative & Character Development : While design and

Season 9 leaned heavily into established lore and character maturity: