Mao Mao: Heroes of Pure Heart Episode 22 Trading Day Episode Title:Trading Day.Episode Description:Thinking the other has it easier, the Sheriff's department decides to switch places with one another. Mao Mao gets his own robot arm, Badgerclops attends elementary school and Adorabat tries to be the new sheriff. While fun at first, all three begin to have doubts about their respective new positions, made even more difficult when facing a new monster.