I think it might be unpopular to go this far, but 4-2, 4-3, and 4-4 are my three least favorite cases in the entire series, in no particular order. Even 1-1 and 2-1 get ranked above them. The only case from AJ I consider to be good is 4-1, and even it is overrated.
I really, REALLY don't like AJ.