Revealing mistake: When Blue rides in with Moon Fire and Kelly, there are footprints visible in the dirt behind them. Several of the prints have distinctive patterned tread from what could only be 20th Century rubber-soled shoes.
The High Chaparral (1967)
1 revealing mistake in The Peacemaker - chronological order
Starring: Cameron Mitchell, Leif Erickson, Linda Cristal, Henry Darrow
Genres: Western
Gold Is Where You Leave It - S1-E19
Revealing mistake: Buck lights the fuse and tosses the dynamite-filled barrel at the bad guys. We see the explosion. Unfortunately, after that, we can also see the intact barrel still rolling away in the dirt.
Billy Blue Cannon: I need all the rest I can get, Uncle Buck.
Buck Cannon: When I was your age, Blue, the word 'rest' hadn't been invented.
Trivia: The all-black 10th Cavalry mounted troop is portrayed here by a re-creationist group that has trained itself in specialized 19th Century cavalry riding maneuvers. The group includes some descendants of the original "Buffalo Soldiers," whose nickname was coined by Native Americans that had never seen black men, and thought the soldiers' hair resembled that of the buffalo.