Adventure Time Season 9 Episode 2 - Elements Part 1: Skyhooks Episode Title:Elements Part 1: Skyhooks.Episode Description:Finn, Jake and BMO return to Ooo and discover that their home and its surroundings have been turned into candy. They also encounter Fern, N.E.P.T.R., Shelby, Lemongrab, Tree Trunks, Mr. Pig and Marceline, who are now happily-brainwashed candy people. A frightened Sweet P, the only person who is still normal, directs the three to a mysterious candy tower. The tower is Princess Bubblegum, who has become a large candy being and tries make them candy people as well. BMO is transformed; Finn and Jake are rescued by the Ice King, who takes them to the Sky Kingdom. As Finn and Jake look down, they discover that Ooo has been divided into four corrupted sections.