A Halloween trilogy. This time, Bart meets his "pure evil" Siamese twin; Lisa's science project attacks Bart; aliens Kang and Kodos invade as Clinton and Dole's replicas just before the 1996 Presidential election.
First Air Date: 1989-12-17
Runtime: 00:22:14 minutes
Genre: Family, Animation, Comedy
Stars: Dan Castellaneta, Julie Kavner, Nancy Cartwright, Yeardley Smith, Hank Azaria, Harry Shearer