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
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.
My Old Friend's New Friend - S4-E1
Continuity mistake: Right after Elliot asks Molly about the patient, you can see the Janitor standing next to the table behind Molly. But in the close-up shots on Molly, he is gone.
My Old Friend's New Friend - S4-E1
Continuity mistake: In the end, when Carla comes out of the hospital and sees the Mini Cooper, JD's hands changes between shots. In one of the far shots he is holding the handles on his scooter, but in a close-up shot he is holding his helmet.
Continuity mistake: At the beginning, the doctors do the race to get the board member patient. They take the lift from the 4th floor. When they get out of the lift, they are still on the 4th floor.
My Drive-By - S4-E24
Continuity mistake: When Dr Cox, Turk and Carla are talking about what happened at the Taco stand, at some point a pen suddenly materialises on the desk. None of them were holding a pen either. (00:10:25)
My Unicorn - S4-E11
Continuity mistake: When Turk, Elliot and Carla are in the queue for their food in the canteen, look at Jordan's tray in the background, it's got pretty much just a napkin on it. Yet in the next shot, a magazine suddenly materialises from nowhere. (00:01:50)
Continuity mistake: When JD jumps onto the gurney, there is a light blue bed sheet and pillow on there, but later when he is dropped off where Molly is outside, the bed sheet and pillow are no longer there. (00:06:55 - 00:07:50)
Continuity mistake: When Dr Cox throws JD's TV remote on the table, it lands upside down near to the magazine on the middle of the table. However, the next shot of the table shows the TV remote facing the right way up and near the corner of the table. Also the magazine seems to have moved slightly away from JD's beer. (00:18:20 - 00:18:55)
Continuity mistake: Just after Dr Elliot Reid says "frick on a stick with a brick", Dr Cox and Dr Reid have a conversation. In between shots Dr Cox's stethoscope seems to change position. Look mainly at the ear piece side and you'll notice it's closer to his neck and sometimes further. Dr Reid's starts off with 1 earpiece behind her name tag and then between shots both earpieces are above her name tag. At the very end of the conversation, they somehow move behind her name tag. (00:15:55 - 00:17:05)
Answer: No, it was a fake, they used a stamp.
It is real.