Factual error: Raceme's girlfriend Morgan is seen in a mugshot taken by Edinburgh Police, Scotland. They are known as Lothian and Borders Police, not as shown "Lothan and Boarders". (00:28:30)
Factual error: When the whore is talking to Lily, she says "The first thing she should do (in her new tent) is to get the carpenter to lay some boards, or she will be saying hello to Mr. Trench Foot", referring to the medical issue related to feet in wet and unsanitary conditions. This disease of the feet was not referred to as this until World War One. (00:23:10)
Factual error: In the Pope's coronation procession they play the anthem Zadok the Priest. It was composed by Handel for the coronation of George II in 1727, 235 years after this coronation took place.
Edward Mordrake: Part 1 - S4-E3
Factual error: Season 4 takes place in 1952. Elsa sings Lana Del Rey's Gods and Monsters. The lyrics say "living like Jim Morrison." Jim Morrison was not famous until 1960. He was born in 1943, which would have made him only 9 at this time.
A Father's Great Expectations - S1-E1
Factual error: When JFK leaves to become a PT-boat commander he is wearing full lieutenant's rank insignia. He was actually a lieutenant junior grade when he took command of PT-109.
Map of the Seven Knights - S5-E10
Factual error: The Czech crime database (which appears to be an official Czech database) is headed 'Czechoslovakia'. Czechoslovakia has not existed since the Czech Republic and Slovakia separated in 1993 and neither country uses the term any more.
Factual error: Hunt and the CDC Doc Stafford discuss an experimental vaccine for an outbreak to give to already infected people. That's not how vaccines work. You have to have it before you get sick to prevent you from having it or having a reduced response to the virus. What they're talking about is a cure/antiviral drug, not a vaccine.
Root Cause - S1-E13
Factual error: Finch's trojan tracker displays "accessing network on IP 623.173.93 .225.9." Not only is 623 an impossible number for an IP address to have, as they only go up to 255, it's also made up of 5 parts, instead of the 4 which IP addresses are limited to.
Episode #3.3 - S3-E3
Factual error: Reading the dull travel guide, the island of Saint Marie is said to be 1/10 of Guadeloupe (≈162 km), 1/8 of Dominica (≈94 km), 1/6 of Saint Lucia (≈102 km), 1/5 of Martinique (≈225 km) and 1/3 of Barbados (≈146 km). How big IS Saint Marie then? It makes no sense! These very specific fractions (Goodman praises how meticulous the book is) contradict each other. It should also be noted that this fictional book is from 1929 and none of those entities were independent nations. (00:18:25)
Factual error: Karen says she doesn't want to divorce Jody because he'll take half her life insurance payout in the divorce, but life insurance (as well as other inheritances) are not considered marital property and don't usually get divided in a divorce.
Islands in the Stream - S2-E12
Factual error: At the beginning of the scene with George and his parents going out in Mobile, the city scene pictured is identifiable as the Georgetown neighbourhood in Washington, DC. There's even a DC city bus in the shot. (00:07:17)
Factual error: The episode opens with Emma going to the State Theater in Mpls. in 1989. The theater was closed for renovation at that time, and hadn't shown a movie since 1975. It was the Jesus People church all through the 80's.