So what did everyone think of Season 2 of Stranger Things?

For the most part I thought it was a pretty good watch though I find it hard to compare to the original season.

I'm a little disappointed that we didn't see more of the Upside down. I remember seeing some articles/interviews straight after watching season 1 about how the next season will focus on exploring how the upside down works and while I guess we did get that I was expecting it to come in the form of physical exploration of the other universe.