Treehouse of Horror V
Homer accidentally puts his hand in a toaster twice. He tries to fix the toaster, but he makes it become a time machine. The toaster takes Homer to an era with dinosaurs. He remembers when Grampa told him not to change anything in the past. Homer kills a mosquito and the present becomes a dystopia where Ned Flanders is the ruler of the world. Homer goes back to the past to try to stop himself. He accidentally kills a fish from the past and makes Bart and Lisa very big in the present. Back in the past, Homer sneezes and makes all of the dinosaurs die from the common cold. The Simpson family becomes wealthy in the present, but he leaves when he learns no one knows what donuts are. In another present, Groundskeeper Willie tries to help Homer go back to the real world. Willie then gets killed with an axe by Maggie. Homer goes from the past to the present many times. He then finds a present world where almost everything is normal again. He sees the family eating using long and stretching tongues, but thinks it is normal enough.