Marceline and Princess Bubblegum journey to the imposing, beautiful Glass Kingdom, and deep into their tumultuous past, to prevent an earthshaking catastrophe.
Marceline and Princess Bubblegum journey to the imposing, beautiful Glass Kingdom, and deep into their tumultuous past, to prevent an earthshaking catastrophe.
Olivia Olson , Hynden Walch , Erica Luttrell
Anna Syvertsson
Cartoon Network Studios , Encyclopedia Pictura
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as Marceline
as Princess Bubblegum
as Elise
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