As Dreyfuss gets closer to making progress on his mission, important parts of his past come to light. His former partner returns to settle the score from years before and…

As Kitty begins to unravel due to the imminent threat to her safety, Sherlock and Joan intensify their efforts to help her. Also, the origin of Sherlock and Kitty’s relationship…

Finch goes undercover in an emergency call center to protect a 911 operator, but it soon becomes clear that the threat reaches further than the team could have anticipated.

The FBI is on the hunt for a high-ranking Chinese spy, Wujing which Red claims has hired him to help decode a classified CIA transmission. Liz, posing as an FBI…

An ailing Will opens up to Joyce — with disturbing results. While Hopper digs for the truth, Eleven unearths a surprising discovery.

As the town preps for Halloween, a high-scoring rival shakes things up at the arcade, and a skeptical Hopper inspects a field of rotting pumpkins.