I held off on watching season three because Midge was a borderline sociopath in seasons one and two.
There were times I thought she might be the villain. She was vain and self-centered. She was funny, sure, but also selfish and oblivious to anyone or anything that wasn’t related to her. (Many of the other characters were the same.)
But season three was much better. The cast is full of actors–that seems obvious, but what I mean is that they can all act. They have so much more to offer beyond the motor-mouth dialogue.
In season three they finally let Midge be a more rounded person. Most of the main characters had more to them. This was the best season by far.