One series = one franchise. These are just how I feel about them, nothing to do with how objectively good they are or any of that crap. Actual shows only, no movies/OVA series shorter than 6 episodes. Completed shows first, then stalled, then...
Some of the reasons why they are the worst include SPOILERS
What I watched before 2014
These are anime that most people enjoy but for one reason or another I dislike them. This is my first list so please no hate.