My Old Lady - S1-E4
Continuity mistake: When J.D. picks up the granddaughter to blow out the candles on the cake, there are 3 candles placed at the front of the cake in the camera close up, but there weren't any before he picked her up. (01:17:35)
My Old Lady - S1-E4
Visible crew/equipment: You can see just the tip of the boom mic on top of the frame for 5 seconds, before Dr. Wen tells Turk that he passed the Cooper's ligament three times. (01:18:30)
My Old Lady - S1-E4
Continuity mistake: The heart monitor lines change a few times, from being close to the neck going straight back, to going around the right side of the pillow. (01:25:50 - 01:26:50)
My Old Lady - S1-E4
Revealing mistake: When the old lady patient is seen "escaping" she lifts the walking frame up out of the hole and it catches the set and lifts it into shot.
My Old Lady - S1-E4
Continuity mistake: When JD is at the birthday party, watch the chocolate on his face. At one point there are two separate bits of chocolate on his left cheek, then the shot changes and they are gone. The shot changes again and they are back.
My Old Lady - S1-E4
Revealing mistake: Just before all the bricks fall on JD and it's a surprise, you can see him flinch before they hit him.
Answer: Dan was drinking beer and Cox feared that Dan might get so intoxicated he would fall asleep and drown in the tub.
Mortug