All the women except Mattie had left but when the Indians run through camp chasing the buffalo a woman can be heard screaming in a tent. When Shad shoots the buffalo Mattie can be seen with him, not in a tent.
Caleb Cobb wonders why it would take two scouts to track one deer. They were tracking an antelope, not a deer.
Shad and Bigfoot originally started chasing a young pronghorn antelope. When they catch it and kill it has turned into an adult mule deer stag.
At the end of this episode the men can be seen around several camp fires. There is not now, nor has there ever been, enough burnable things in the Jornada del Muerto to have even one camp fire, let alone several.
Apaches and Comanches were used in this series. But it is a historical fact that Pueblo and Taos Indian tribes were employed to protect the New Mexico land borders.
There are belt loops on Woodrow's trousers. Belt loops were not invented until 1922.
Near the 68 min mark, Woodrow is seated on the ground wearing boots with cross treaded black rubber soles that were not available in 1842.