Continuity mistake: The lawman has already killed Teonna's grandmother looking to bring Teonna to justice for killing the nuns. Several episodes later he is learning for the first time about the killings.
Continuity mistake: During the ambush, young Jack, on horseback, takes off after the wagon which is carrying his wounded fiancé. The chase is long including a cut away and yet the wagon winds up only yards away from the ambush where the chase began.