Factual error: Part 4: The cord on the telephone Pug uses to call Pam should be a straight wire. Instead, it's coiled: a design not yet in use in the 1940s. (00:13:30)
A Nice Place to Visit - S1-E14
Factual error: When the team is in uniform for their friend's funeral, Smith and Peck (both commissioned officers) have their Special Forces insignias on their berets when they should have their rank insignia.
Factual error: The goal kick after 0-2 in the Nankatsu-Shimada game is illegal, with a (nondescript) player shown kicking the ball forward to himself rather than passing. (00:16:20)