Factual error: When the trucker reaches into the bag that's suppose to have his cash with his "bonus", he's bitten by a venomous snake. However, we see the snake and it's a non-venomous king snake.
The Snowplow - S3-E3
Factual error: When Chidi activates the superboard, one of the items under Local News is "Rep. Sackett indicted on 231 counts of fraud." Lower house members aren't referred to as Representatives in Australia, the correct title would be MP. (00:09:13)
Factual error: Almost all the people being shown skydiving have no experience doing it, but the instructor allows them to jump out of the plane unassisted after only giving a theoretic introduction into the subject. First time skydivers are always assisted in some fashion, usually through a tandem-jump or a parachute opened by a line attached to the plane.
Katie Girls - S3-E3
Factual error: Randall flies out last minute across the country to Los Angeles to be at his sister's side for her surgery. The scene where he arrives at the hospital and meets up with her husband Toby in The Waiting Room is prefaced by an exterior shot of the supposed hospital building. The sign outside the hospital indicates the name as "Sutter Health Alta Bates Summit Medical Center," which is a hospital in Berkeley - the San Francisco Bay Area - about 400 miles north of Los Angeles. (00:19:30)