Beetlejuice (1989)

S4E65 Not So Peaceful Pines

Beetlejuice lends a hand to the Mayor of Peaceful Pines, but when the Mayor goes back on his word about a cash reward, Beetlejuice becomes furious. In his rage, he divides himself into his good and evil halves, unleashing chaos in the town through his darker side. Lydia, along with Beetlejuice's benevolent half, must seek out Dr. Zigmund Void to resolve the mayhem before it spirals further out of control.