The ninth and final season of Adventure Time, an American animated television series created by Pendleton Ward, premiered on Cartoon Network on April 21, 2017. It is set to conclude sometime in 2018. The season was produced by Cartoon Network Studios and Frederator Studios. The season will follow the adventures of Finn, a human boy, and his best friend and adoptive brother Jake, a dog with magical powers to change shape and size at will. Finn and Jake live in the post-apocalyptic Land of Ooo, where they interact with the other main characters of the show: Princess Bubblegum, The Ice King, Marceline the Vampire Queen, Lumpy Space Princess, BMO, and Flame Princess.
Answer this question, making sure that the answer is supposed by the text: is season 9 the last season of adventure time?
yes