Episode Title:Up a Tree.Episode Description:Finn and Jake's game of catch goes awry when their frisbee gets stuck in a large tree. Finn decides to fetch it without Jake's help, but he inadvertently gets captured by the residents of the tree, who repeatedly utter the mantra, "In the tree, part of the tree." Finn teams up with a squirrel who is berated for believing he is a flying squirrel (voiced by Marc Maron) and the two successfully escape.