The Simpsons (1989)

S8E1 Treehouse of Horror VII

In this Halloween trilogy, Bart encounters his sinister Siamese twin, embodying "pure evil." Meanwhile, Lisa's science project goes haywire, turning on Bart in a chaotic twist. As the 1996 Presidential election approaches, aliens Kang and Kodos make their move, disguising themselves as impersonators of Clinton and Dole, adding to the mayhem.