Every 'Black Mirror' episode ever, ranked by overall dread

Warning: This storycontains spoilers for every Black Mirror episode ever.

Black Mirror is known worldwide as spooky, scary, and bluntly cynical. Who among us doesn't have a friend who keeps their distance from the show lest they spiral into existential dread? Fresh from the new season on Netflix, we decided to figure out just how despondent this show is and ranked the episode based on that.

Now, since we like to do things scientifically here at Mashable, we've come up with a simple rubric to determine how pessimistic these episodes are.

How depressing is it? (0 = Happy happy sunshine, 5 = bleak af)
Technology will destroy us (0 = they won't, 5 = they definitely will)
We will destroy ourselves (0 = we won't, 5 = we definitely will) Read more...