When I click on the YouTube video, I see FOX have now blocked it on copyright grounds.  Why wouldn’t they?

If you want to know what this scene from the Simpsons was about, it consisted of Montgomery Burns pointing to a generally upward-trending graph with a catastrophic decline at its rightmost extremity.

“If you don’t continue giving all your money to rich people like me”, Mr Burns says pointing to the earlier part of the chart, “we’ll all go over the fiscal cliff like this!” [Pointing to the perpendicular decline at the end of the chart.]