Treehouse of Horror XVIII

The intro starts with Marge making some halloween pumpkin cupcakes and suddenly out of nowhere appears so many different characters from show annoying marge. The first segment called Et Go Home which is a common reference to Et The Extraterrestrial after Bart discovers an alien outside his yard, the second segment Mr and Mrs Simpson which is a common reference to the 2005 movie Mr and Mrs Smith after Homer and Marge try to kill each other and they end up causing a lot chaos and the final segment Heck House after Bart, Lisa Milhouse and Nelson play pranks on people Ned Flanders and the others citizens of Springfield teach the four of them a lesson. The ending was just the same music same as the treehouse of iv.