This year, the best 8 episodes from each year will be pitted against each other in consecutive order. While picking the best 8 episodes per season is subjective, I've tried to include those episodes best liked by the general audience, and not just my personal favorites (although a few of those may have slipped in.)
It's explained in detail on the post itself. I've asked the mods to make it public, so I'm not sure it is or members only.
Here it is