Considering how strong every season of Stranger Things is, it's hard to argue that any episode is dull. The beloved characters, various creatures, and setting of Hawkins, Indiana all add up to one fantastic series. But while most episodes of the Netflix series are exciting, fun, and surprising, there is one season 2 storyline that viewers didn't enjoy. Although it involved a major and fan-favorite character, the episode wasn't well-received for a variety of reasons.