Factual error: When Hopper's daughter is dying in 1978, the staff says that the pulse oximeter is dropping. Pulse oximeters were not commercialized until 1981/1983 and not in widespread use until at least the mid 1980's.
Stranger Things (2016)
1 mistake in Season 1 generally
Starring: Winona Ryder, David Harbour, Millie Bobby Brown, Finn Wolfhard, Dacre Montgomery
Mike Wheeler: Mom, if anyone asks where I am, I've left the country.
More trivia for Stranger Things
Chapter Four: The Body - S1-E4
Question: Where did the body of Will come from? And why was it stuffed full of cotton?
Answer: The body was fake, made by the scientists at Hawkins Lab in an attempt to cover up his disappearance and the existence of the Upside Down.