I've written in depth reviews of the first four episodes of Season 4 and I'm planning to write the remaining two soon.

If you're interested check them out here:

https://steemit.com/blackmirror/@g-com/black-mirror-season-4-reveiws-episode-1-the-uss-callister

https://steemit.com/blackmirror/@g-com/black-mirror-season-4-reviews-episode-2-archangel

https://steemit.com/blackmirror/@g-com/black-mirror-season-4-reviews-episode-3-crocodile

https://steemit.com/blackmirror/@g-com/black-mirror-season-4-reviews-episode-4-hang-the-dj