I don't remember the name of the episode, but the one where they were on a game show, over to the side it is dimly lit and you can see the Sanfor couch up against a wall. Am I imagining this or did anyone else see it?

No your not imagining things it was against the wall it was against the wall in other eps too like happy birthday to me and the one where the finance company came to repo their furniture

Im not sure, but what i think Tripper means is that when they are on the "game show set", you see the couch up against a wall; like they were storing it there.