Six Great Shows That Were Prematurely Cancelled

Conan announced that he refuses be pushed back to the 12:05 slot, essentially ending his tenure at NBC. He cited NBC not giving his show the chance to grow. Which got us thinking, what other shows were prematurely snuffed out?
A Musical Critique of Last Night's How I Met Your Mother
CBS promised a whole generation of theater nerds, internet dweebs, and pop culture dorks an "all dancing, all singing" episode of How I Met Your Mother. If you don't believe anybody got ripped off, this post will prove you wrong.
