From http://www.snpp.com/episodes/4F07.html
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Ned decides now to go into his house.  He has a little trouble getting
through the door but manages to get in.  The crowd cheers.  Homer
takes Ned into his living room.

Ned:    [gets sweater caught in a nail]  Ooh, looks like a loose nail.
Homer:  Yeah, one out of twenty five ain't bad!  [hammers in a nail]

Homer shows Ned his kitchen, which is "just as you remember it" --
except for one tiny modification: a toilet next to the refrigerator.

Ned:    Was that, uh, was that toilet always next to the refrigerator?
Wiggum: Uh, Ned, you ever try lugging a toilet up a flight of stairs?

Rod and Todd's room were designed by Bart and Lisa, replete with a
carpet that doesn't completely cover the floor, a crack in a wall, a
slanted door frame and a "Krusty the Clown" poster.

Rod:    [taking down poster] I don't like this clown!
Bart:   Ah, I wouldn't take it down if I were you.  It's a load-bearing
        poster.

[a crack ripples through the upper wall and up to the ceiling]

Homer, Apu and Ned walk alongside the uneven walls and five to six
sided doorways.  Static makes Ned's hair stand up and his moustache
hair stick out. The static is coming from the room filled with
electricity.

Apu:    This is the room with electricity.  But it has too much
        electricity.  So, I don't know, you might want to wear a hat.
Ned:    Uh-huh.  [walks further down the hallway]
        Floor feels a little gritty here.
Moe:    Yeah we ran out of floorboards there, so we painted the dirt.
        Pretty clever!

The hallway starts to become extremely narrow and small.

Ned:    Oh, something is definitely wrong with this hallway.
        [opens a 4-inch-tall door]
Barney: Come on in!  It's your master bedroom!
        [Ned shuts the dollhouse-sized door]
        Ow!  My nose!
Ned:    Well, I've seen about enough.

Outside, Homer concludes the tour: "So, Flanders, what do you think of
the house that love built?"  He pats the front door, which falls
inside the house, causing the second story to cave in.  Finally, the
top story collapses, and the house is back to where it started from.
"Aw shoot!" is his response, scratching his head to find out what went
wrong.

Ned walks away from the demolished "house" and begins to buff his
glasses.  The right lens falls out, and Ned lets out a groan and puts
on his glasses.

Ned:    Calm down, Neddly diddily diddily diddily, doodily.  They did
        their best shodaiddily iddily iddily diddily diddily.  Gotta be
        nice, hostidididildilidilly ah HELL diddily ding dong crap!
        Can't you morons do anything RIGHT!?

[shocked gasps]