<Tr> <Th> 15 </Th> <Td> 7 </Td> <Td> "Chapter Seven: The Lost Sister" </Td> <Td> Rebecca Thomas </Td> <Td> Justin Doble </Td> <Td> October 27, 2017 (2017 - 10 - 27) </Td> </Tr> <Tr> <Td_colspan="6"> In Chicago, Eleven locates Kali, who is the girl from Terry's memories . Kali can create illusions, and she leads a gang of outcasts who exact revenge on those who have hurt them . She teaches Eleven to channel her anger towards stronger powers . Eleven uses her powers to find Ray, the lab technician who performed shock therapy on Terry, and the gang breaks into his apartment . Ray claims Brenner is still alive, and he offers to lead Kali and Eleven to Brenner . They disbelieve him, and Kali tries to coax Eleven into killing Ray . When Eleven learns he has two daughters, she stops and prevents Kali from killing him . Back at their hideout, Kali conjures a vision of Brenner and demands that Eleven avenge their mother . Eleven visualizes Mike and Hopper and realizes they are in trouble . While Kali and her gang escape the police, Eleven returns to Hawkins . </Td> </Tr> <Tr> <Th> 16 </Th> <Td> 8 </Td> <Td> "Chapter Eight: The Mind Flayer" </Td> <Td> The Duffer Brothers </Td> <Td> The Duffer Brothers </Td> <Td> October 27, 2017 (2017 - 10 - 27) </Td> </Tr> <Tr> <Td_colspan="6"> The Demodogs overwhelm the lab . Mike convinces Joyce to sedate Will so that the Shadow Monster cannot track them . Mike, Will, Joyce, Hopper, Bob, and Owens shelter in the lab's security room . Dustin, Steve, Lucas, and Max track the Demodogs to the lab, where they regroup with Nancy and Jonathan . When the power goes out, Bob resets the circuit breakers so they can escape . Owens stays behind and uses the security cameras to guide the others out . Mike, Will, Joyce, and Hopper escape, but Bob is killed by the Demodogs . The group retreat to the Byers' house, where Dustin suggests that the Shadow Monster is a Mind Flayer . After disguising their location, they interrogate Will . Using Morse code, he taps out, "CLOSE GATE ." The house phone rings, and Will realizes where he is . The Mind Flayer sends a Demodog to the house, but, to everyone's surprise, Eleven arrives and kills it . </Td> </Tr>

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