ep 138 i think.
edit: wow. sometimes i scare myself... i actualy remembered the actual number. wow...
here's the link.
http://www.snpp.com/episodes/3F31.html
Quote:
Announcer: In the opening credits, what does the cash register say when
Maggie is scanned?
The cash register says, "NRA4EVER", just one of the hundreds
of radical right-wing messages inserted into every show by
creator Matt Groening.
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