Episode #1.1 - S1-E1
Factual error: "Hold the Line" by Toto plays while they're on their way to the town in Iowa. At the police station, Bill says, "It's 1977." "Hold the Line" by Toto came out in September 1978.
Mindhunter (2017)
1 factual error in Episode #1.1 - chronological order
Starring: Jonathan Groff, Holt McCallany, Hannah Gross, Stacey Roca
Episode #2.8 - S2-E8
Factual error: In the opening seconds of the intro the BTK killer is following a woman home in his work van. Both the woman and BTK have license plates on the front of their vehicles. Kansas does not use front license plates. (Also, BTK's van shows the county abbreviation on the plate as WY - Wyandotte County - where Kansas City, KS is located nearly 200 miles away. The county tag abbreviation should be SG for Sedgwick County).