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Mathematical is now its own channel: www.youtube.com Lumpy Space Princess isn't afraid to get a little dirty on this episode of Adventure Time! See exclusive behind the scenes footage including animatics, storyboards and fan art, and talk about Adventure Time with the coolest AT fans there are with Mathematical, the what-you-missed-on-Adventure-Time show! If you've never seen Mathematical, start off with this week's episode, "The Monster!" youtu.be Subscribe to Mathematical to stay up on the most Rhombus show on television! www.youtube.com