Continuity mistake: The sheriff of Morris Flats suspects Adam of being a bandit and puts him in jail. The window of Adam's cell has four vertical bars, but when the "knight" comes to talk to Adam from outside the cell window, the window has five vertical bars.
Bonanza (1959)
1 mistake in A Knight to Remember - 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?