Continuity mistake: The Doctor treating the woman in a corset getting a breathing treatment removes her stethoscope from around her neck twice as the other doctor walks away.
Revealing mistake: As Carter walks into the baby's hospital room to see why it is "crashing." In the long shots the baby is obviously a doll, and its mouth is closed even though it is crying.
Answer: It was in "Chaos Theory", the first episode of season 9 (time code 00:13:55).
Super Grover ★