Adventure Time Season 10 Episode 2 - Always BMO Closing Episode Title:Always BMO Closing.Episode Description:BMO and the Ice King become door-to-door salesmen by posing as one body (Ice King as the body, and BMO as the head). After selling a stick to Tree Trunks, they get lost and end up at the dungeon where Gumbald is staying. They sell him Finn's baby teeth, which he happily pays for with a silver cup. Finn is outraged that his baby teeth were sold, and is mortified when baby Finns (made of teeth) begin attacking the treehouse. With the Ice King's encouragement, BMO "sells" two mallets to Finn and Jake and they defeat the tooth babies. Afterwards, Gumbald admits that his plan was a bad idea.