Early in the episode, Nikki identifies herself as being a left-handed pitcher when playing baseball. However, during the Gettysburg reenactment scene she throws a piece of wadded-up paper with her right hand.
Mr Lyman says that an Indian battle against the Sioux was fought nearby. However, the Sioux lived in the Dakotas, Minnesota, and Canada. The show's first season was set in Indianapolis, Indiana.