Song of the Younger World - S2-E20
Factual error: It's the 1800s, but Amy's skirt has a 20th Century zipper running down the back. (00:05:15)
Song of the Younger World - S2-E20
Factual error: The 19th Century reformatory has modern electric light bulbs hanging from the corridor ceilings. (00:21:10)
Answer: He was in an accident.