Adventure Time - Season 7, Episode 03: Cherry Cream Soda
Trailer
Driving by his greedy, the evil king, Ooo, who seeks to make what will be good for his own behalf, disregarding the benefit of Candy kingdom's people, the thing that leads the former princess Bubblegum to return from her exile, in order to solve the case and save the lives of people, by getting rid of that evil king.