What is missing from the Nuclear Power Plant and the Lesbian Bar that Homer stumbles into?
George Lazenby
Who does Marge think of when Bart suggests using the voice of “James Bond” for their Smart House?
Zovuvazz
When Homer is taking his driving exam, and Patty/Selma drops the green pen in favor of the red?
Stop, drop and roll, Mad Dog!
What does Maude’s character say to Flanders’ character when he’s catches fire in the anti-drug play?
These two Pulitzer Prize winners share the ability to belch at great volume.
Who are Jay Sherman and Eudora Welty?
Disputed Zone
[nitpick]Actually, it as a fire-safety play. Here in New York, that episode was on this evening (Thursday).[/nitpick]
What is the place where Bart once called to test which way the water goes?
The only game in town?
Sorry.
The only game in town.
D’oh! I believe you’re right. Was I close enough?
Mr. the Golfer, I don’t believe you are correct. Bart called Australia to check the drain thing.
(But I don’t know the right answer either.)
He called more than one place. Remember the phone bill?
Apparently not. I suppose it’s barely possible my memory may be imperfect. 
Quote:
"‘Three Weeks Later,’ says a caption on the screen, as Homer sits on the
couch and reads a phone bill.
Homer: Burkina Faso? Disputed Zone? Who called all these weird places?"
I yield to your superior Simpsons knowledge, sir. 
Troy McClure played this man in a dramatization of the locker room towel fight that blinded him.
Who is Larry Driscoll?
It’s "the first thing that’s ever gone wrong."
What is Ichty and Scratchy land where nothing can “possibily” go wrong?
The only game in town.
What is the plumbing company that Homer didn’t want to hire to fix the leak in his basement until he became a Stonecutter?
Gamblor
What is the name of the neon-clawed monster that enslaved Marge when Mr. Burns opened a casino in Springfield?
A walk-in humidor.
Who/what is the neon clutched devil which has Marge gambling at Burns’ casino?
Where Shopping Is A Baffling Ordeal