Unfamiliar theme music used for this film caused a major backlash against CBS.
Michaela advised other women to throw away their corsets, so she should not need Sully's help lacing her own.
Near the 39 min mark, Sully appears to be wearing Custer's old wig from season 5.
Printed wrapping paper was not invented until 1917.
Jake is seen wearing a wedding ring. Men did not start wearing wedding rings until World War I.
Electric lightbulb was invented in 1879 AFTER this was set in 1877, so no company would need copper for wires.
If you had seen the series on TV, you would know that Katie was born in 1871. In the beginning of the movie, it states that it takes place in 1877. Sully states thats "My daughter was stolen from my house last night, she's 4 yrs old, her names Katie." since she was born in 1871, she would be at least 5 almost 6.
Preston Lodge swore he would come back from financial ruin, yet he and his health resort and bank are nowhere to be seen.
At the end of season 6, Grace and Robert E were pregnant, but two years later, there is no baby.
It makes no sense how Brian got to and from Dr. Mike's surprise birthday party. He didn't ride to town with Dr. Mike and Sully, because Dr. Mike was surprised to see him there. He had to have ridden a horse. Yet when Horace shows up saying Katie has been kidnapped, Brian jumped into the back of the wagon, which means he would have to have left his horse in town.
Dr Mike would never run away from Horace with his head bashed in.
In the film Katie referred to Sully as ''papi'' which is the Spanish colloquialism for "daddy," which seems out of character for her since on the series Katie's first word was "Pa" because Sully was trying to get Katie to call him "Pa".