M.C. Escher couch gag

The M.C. Escher couch gag is the eighth couch gag of Season 6.

Plot
The living room is at the center of an M.C. Escher's Relativity style environment with multiple staircases and conflicting perspectives; the family enters from various directions (and dimensions) and sits.

Character Appearances

 * Homer Simpson
 * Marge Simpson
 * Bart Simpson
 * Lisa Simpson
 * Maggie Simpson