When Missie goes out into the rain, her father follows. When the camera is aimed at Missie, it's pouring rain, but when it is aimed at her dad, it is completely dry.
Jeff tells Colette he was adopted by the LaHayes at eleven years of age, but in the last movie he was twelve years old when he was adopted.
When Missie goes to visit Willie in town and in the picnic scene that follows, she is wearing her locket which she had sold earlier.
In one scene it shows Willie coming home with the sheriff badge on his shirt. In a following scene the next day it shows Willie taking the oath as sheriff and the mayor pinning the badge on his shirt.
According to the cross where Sonny is buried he died in 1875 and Kathy has a date of 1885. Mattie should be 10 or close to 10 which is not the case.
Colette's character wears modern make-up that wouldn't be considered proper for a young woman of the time.