If you didn't watch All That, you were missing out on the height of sketch comedy...okay well maybe not the HEIGHT, but at least some great sketches. Sure, it was dumb humor, but it was enough to make us laugh until we cried. The show lasted 11 years, and though you could make a solid argument that the later seasons weren't the best, they were still better than anything that airs on Nickelodeon today!These are some of our favorite All That sketches that we still remember today. 1. Know Your StarsThe show would make their stars (or guest