We here at io9 love a good mind-melting martial arts battle between ninjas, kung fu masters, or two perplexed extras who have no self-defense training whatsoever.
And over the years, a hearty 98% of our daily coverage has been devoted to finding the weirdest, most reality-defying fisticuffs ever dreamt up. For posterity's sake, we've amassed all these wondrous fights, ninjutsus, and forbidden techniques in one article. You probably shouldn't watch these clips all in one sitting, lest your brain starts leaking out of your ears.
(A metric ton of appreciation and thanks goes out to Sardonicus1313, who has been an invaluable ally in tracking down the best of the zany. Also, special shout-out goes out to Riki-Oh, which we've discussed recently. Also, Ninja Terminator, for simply being Ninja Terminator.)