Continuity mistake: Dr. Cox's hair colour and length change back and forth significantly during the episode.
Continuity mistake: The woman in the wheelchair that Dr. Cox claims is dead is wearing glasses in some shots but not in others.
Continuity mistake: In the apartment there is a cardboard box on a table, with a strip of blue tape on it and a tube of paper sticking out of it. A few shots later another strip of blue tape suddenly appears on the box and the tube of paper has vanished. (00:02:35 - 00:03:15)
My Best Friend's Mistake - S1-E3
Continuity mistake: In the apartment, when they decide to watch "Fletch", there is a yellow cushion under J.D.'s right arm, sitting on the sofa. But it disappears between shots. (00:05:50)
Continuity mistake: When Elliot and J.D are going up the stairs and J.D asks if they are racing, Elliot has a watch on her left hand, then in the next shot when they are racing, the watch is gone and doesn't reappear.
Continuity mistake: Right at the end, the shot shows Carla walking towards JD with a security guard in the background, the shot cuts to behind JD and suddenly the security guard has moved forward in position dramatically.
Continuity mistake: As Kelso goes rolling by in the hall with the wheels on his shoes, you can see they are actually skates and the wheels are black. When he asks who put the tiny wheels on his shoes, the shoes are now normal and the wheels are white.
My Half-Acre - S5-E9
Continuity mistake: Season 5-9, Episode: My Half-Acre. While Cox and Carla are telling Mrs Wilk about her treatment, the cardigan she is wearing is completely unbuttoned. When the camera goes for a closeup of her face, the cardigan is now buttoned right up to her neck.
My Half-Acre - S5-E9
Continuity mistake: Season 5 - Episode 9: My Half-Acre: When JD and Julie have had their old couple photograph, JD takes his mask off and his hair is flat. In the next shot, it is waxed up and styled again.
My Kingdom - S2-E19
Continuity mistake: When J.D. fantasizes about meeting Turk at the dorm for the first time, the shot has been flipped. Look at the signs on the doors. (00:18:30)
Continuity mistake: Dr. Cox's stethoscope is hanging down more on his left side, but when he walks around to J.D. it is now hanging evenly around his neck. (00:21:40)
My Old Friend's New Friend - S4-E1
Continuity mistake: When JD writes 'Al Coholic' on the shifts board and the shot then cuts to Elliot, there is a brief cut back to JD and you can see behind him that his prank name has changed to 'Dr. Ass Face'.
Continuity mistake: When JD is in the lift (elevator) with all the people and asks his patient if his gas is bad for the other people, the woman on the right has her arms crossed then in the next shot she has a single hand on her chest.
My Best Friend's Mistake - S1-E3
Continuity mistake: When Dr.Cox is Talking to Elliot before she leaves the room her name tag flips over and back again. (00:17:20)
My Best Friend's Mistake - S1-E3
Continuity mistake: Dr. Cox throws his white coat on the table and sits down, when he starts talking to Elliot the coat is now missing from the table. (00:16:40)
Continuity mistake: The salad on Eliott's fork changes from purple to green and back to purple between shots.
Continuity mistake: At the beginning when Dr Cox is talking to Dr Kelso, behind Dr Cox is a women handling a green stuffed toy which she puts down. The shot then cuts to the son and wife of Dr Cox and then back. The woman has the stuffed toy back in her hands.
Continuity mistake: After JD has read the notice on the board Dr Cox talks to him and his clip on his stethoscope goes from digging into his neck, to being pinned under his collar.
Answer: Dan was drinking beer and Cox feared that Dan might get so intoxicated he would fall asleep and drown in the tub.
Mortug