Funniest Comedy Sketch Ever?

The Top 50 Comedy Sketches of All Time!!!
There's no more sure-fire way to kill something's intrinsic comedic value than to try to examine what makes it funny. The minute you start thinking, you stop laughing. So why, then, have Nerve and IFC.com devoted an enormous amount of time, manpower, monetary resources, server space and posh catered lunches to the pursuit of ranking the boob tube's finest sketch comedy offerings?
(See ALL of them HERE)