Factual error: About half-way through the show, Joe Cartwright states 47 people received The Medal of Honor in the Civil War. In reality there were 1522 recipients of The Medal in the Civil War. While an honor to receive, it wasn't held to quite the same level as in WWI and beyond.
Bonanza (1959)
1 mistake in The Medal
Starring: Lorne Greene, Michael Landon, Pernell Roberts, Dan Blocker
Adam Cartwright: Let's go back to the Ponderosa, Pa. This isn't any of our affair.
Ben Cartwright: We can't ignore the rest of the world. We're the only stabilizing influence in the country.
Mrs. Wharton and the Lesser Breeds - S10-E17
Trivia: A portion of the background music used during an outdoor scene in the town of Vallejo was later used as the theme song for "Little House On The Prairie."
Question: How could one of the three have been in prison during the murder at the barbershop? Did he have a twin?