Try Carter - S11-E3
Revealing mistake: Ray Barnett is shopping down the cereal aisle and a package of brats is thrown into his hand when you can see there is nothing on the shelves other than cereal. (00:39:01)
Revealing mistake: Neela is delivering a baby. As the camera moves around a nurse to show a close up of Neela and the baby, you see her holding the "head" about a foot away from the mom and quickly moves it closer to look like it's coming out of the woman.
Answer: It was in "Chaos Theory", the first episode of season 9 (time code 00:13:55).
Super Grover ★