The Unwritten Commandment - S7-E28
Factual error: Wayne Newton sang "Scarlet Ribbons." "Scarlet Ribbons" wasn't written until 1949. The TV show Bonanza was set in the 1860s.
Bonanza (1959)
1 mistake in The Unwritten Commandment - chronological order
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?