Factual error: Graham repeatedly sings a song he says his grandmother taught him: "Rufus Rastus Johnson Brown, What You Gonna Do When the Rent Come Round?" This was a Vaudeville stage composition written by Andrew B. Sterling and Harry Von Tilzer - in 1905. High Chaparral is set in the 1870s.
Continuity mistake: Much fuss is made throughout this episode about Blue being left in charge of the High Chaparral "for the first time." But it isn't the first time. He was left in charge once before, in the previous season, and no one made a big deal of it in that episode at all.
Continuity mistake: While he's "dining" with Miguel and the banditos, Don Sebastian's position on the ground changes repeatedly as the camera angles shift. In most shots, he's reclining and leaning on one elbow. But in several others, he's sitting upright. (00:24:35)
Factual error: Dan's wanted poster features a high-resolution 20th Century photo. In the 1870s, particularly way out west in frontier Arizona, the technology to reproduce and print photos like this was non-existent. Wanted posters sometimes had sketches of outlaws, but most often, they contained nothing but the name, reward amount, the crime, and a written description. (00:15:30)