Monster Couch couch gag

The Monster Couch couch gag is the second couch gag of Season 4.

Plot
The family sits on the couch. The couch transforms into a monster and swallows the family.

Character Appearances

 * Homer Simpson
 * Marge Simpson
 * Bart Simpson
 * Lisa Simpson
 * Maggie Simpson
 * Monster Couch (couch gag)