The Old Man and the Lisa/Gags

Couch gag

 * The family members intermittently pop up out of five holes in the floor, a la Whack-a-Mole, with a large mallet attempt to whack them. He fails to whack Marge, Lisa, Maggie and Bart but Homer gets whacked and says "D'oh!". The sounds of the mallet hitting the family members is more aggressive and the circus music from "Homie the Clown" is speed up