Kung Fu Fuck You
A kung fu fight where the only weapon is flipping the bird. It's a good concept, but it relies on execution. Somewhere between the severed limbs and the bleeding eyes, The Ministry of Unknown Science damn well executed it.
This clip is part of a double-feature Boing Boing TV episode. The second skit, by the same group, advertises the Falipornia Speak Therapy Institute, where "we learn to nouns, sentences and talking."