Continuity mistake: My Lips Are Sealed Episode Number 89 Series number 4 When JD is brushing his teeth and then finds out that his brother is in the bathtub the amount of foam around his mouth changes.
Continuity mistake: JD is trying to tempt Turk to do a favor for him with a package of gum. The shot from the front shows JD holding the package with his thumb on the bottom and forefinger on top of the package. The shot switches to over JD's shoulder, and he is now pinching the package on the bottom corner.
My Big Move - S4-E22
Continuity mistake: Episode 22 - season 4. When Turk goes mad and throws the chips all over the table the chips' positions on the table differ between shots.
My Ocardial Infarction - S4-E13
Other mistake: When J.D. is left dangling from a window after the collapse of the "triple giant doctor," his feet are higher up than the combined height of Lonie and Elliot.
My New Game - S4-E3
Continuity mistake: When JD and Turk are trying their latex suits Turk has a black scarf around his neck. Then JD says "You're mad because I make more money than you.", Turk turns around and the scarf is gone.
My Unicorn - S4-E11
Continuity mistake: When Murray is flying the plane towards JD, JD is stood on a dirt surface with a road and his scooter behind him. When JD starts running from the plane, he is in the middle of a grassy area, with no road or scooter behind him.
Plot hole: In this episode Ted claims he lost his hair in 8th grade (and was subsequently able to help his junior high girlfriends friend rent a car). But in Season 1, Episode 8 "My Fifteen Minutes" Ted tells Dr Kelso that when he started as the hospitals legal counsel he still had his hair.
Continuity mistake: The second time JD and Turk try to get into the night club we get a shot from behind the bouncer with his arm down. When it cuts to a close-up of the bouncer, he has his arms crossed.
My Unicorn - S4-E11
Continuity mistake: When Jordan wets Elliot's scrub the stain on the scrub differs between the shots.
Continuity mistake: When Carla turns down the job offer from Kelso the second time there is a pen lying on the table. In the next shot Carla suddenly has her hand on the pen.
My Boss's Free Haircut - S4-E20
Continuity mistake: Dr Cox asks Dr Kelso the last time he looked after a patient and it flashes back about 20 years, but in the episode "My Karma" (season 2) Dr Kelso gives Elliot his patients to take care of.
Continuity mistake: When Elliot and her new boyfriend are sitting outside in the car Elliot's seat belt change position between the shots.
My Big Move - S4-E22
Continuity mistake: Episode 22 - season 4. When Carla is trying to justify her kissing JD and she says "You know how upset I was when you started calling you ex-girlfriend" to Turk she holds her arms down. When it cuts she suddenly rests her right arm on the couch.
Continuity mistake: When Elliot says "That was your best moment" to JD, Turk puts his arm around Carla. When it cuts, he puts his arm around her again.
My Ocardial Infarction - S4-E13
Deliberate mistake: In the scene where JD is practising emergencies with a corpse, you can noticeably see the corpse's chest moving up and down - it's breathing.
Revealing mistake: When Dan is in the tub you can see his dark swimsuit in a few shots.
My Ocardial Infarction - S4-E13
Continuity mistake: When Dr. Cox rushes into JD and Elliot's office saying "You are the worst Co-Chief Residents of all time," JD has his hands on the table. When it cuts he has them on his lap.
Continuity mistake: When they are telling about their first date experiences and Todd begin telling his, the Janitor is standing with his arms down. When it cuts he has his arms crossed.
My Malpractice Decision (aka My MalPractical Decision) - S4-E9
Continuity mistake: When JD and Nina are kissing at the end of the episode, the direction in which JD tilts his head changes twice, when the camera reverses on itself.
Answer: No, it was a fake, they used a stamp.
It is real.