Scene: The family is hanging out on the couch...
Marge says something to Bart like, "a [fill in the blank] is not a plaything!"
Bart gives a maniacal laugh.
Lisa starts intellectualizing about the environment and the ills of Springfield society.
Maggie is just sitting there, sucking on a pacifier.
Nelson is watching from the window; points and says, "Ha-HA!"
Homer is all like, "D'oh!"
(Not bad, heh?....HEH?!)