Factual error: In the first minute of the episode, there is a herd of wildebeest shown instead of bison, entirely wrong for the area. (00:01:00)
The Candy O'Hara Story - S4-E11
Factual error: The characters visit Aurora, Colorado. The series takes place in 1860s-1870s - at the time it was named Fletcher. (00:06:25)
Factual error: The wagon master is sitting drinking a cup of coffee, and he has two bandaids on the first and second finger of his hand. Bandaids were not introduced until the 1920's.
Factual error: At an 1868 church service, Mark sings "How Great Thou Art." While the tune of this hymn is 19th Century, the English lyrics he's singing weren't composed until the 1920s.
The Isaiah Quickfox Story - S8-E17
Factual error: At the end of the show Robert Fuller told Charlie the bat he had been a fruit bat. There are no fruit bats in North America. Their habitat is Australia, Africa and Asia.