Beetlejuice (1989)

S1E5 Out of My Mind

Lydia and Beetlejuice have a heated argument, leading Lydia to send the ghost to the Neitherworld. In a moment of carelessness, Beetlejuice reveals that he can't stop thinking about her, which unexpectedly teleports Lydia into his realm. Once there, she encounters Beetlejuice's timid alter ego, Will Power, and his over-the-top counterpart, Prank Factor. Lydia faces the challenge of motivating Will to confront Prankenstein, all while trying to find a way to escape Beetlejuice's intrusive thoughts.