Continuity mistake: A patient in a red dressing gown is walking around the background when JD is teasing Eliott. He is seen twice but wouldn't have been in the second shot with the direction he was walking and in the time taken for the shot.
Continuity mistake: The letter that JD drops on to Turk's tummy changes angle between shots.
Continuity mistake: When Dr. Cox is examining Ben, he has his hands on his face. The shot cuts to another angle and Dr. Cox's hands are by his side.
Continuity mistake: When Carla, JD, Turk and Elliot are in the canteen, JD's drink changes with Elliot's by the end of the scene.
Continuity mistake: When JD is giving Ben the bad news of his diagnosis, Ben's arm can be seen held down by his knee in one shot, and in the next it is instantly behind his head.
Continuity mistake: When Elliot is crying to get her own way, her hair changes from hanging loose to tucked behind one ear, and back again.
My Hero (2) - S1-E23
Character mistake: Spelling mistakes on the medical board! they've spelled "appendix" and "tonsillectomy" wrong in a hospital. (00:03:25)
My Hero (2) - S1-E23
Continuity mistake: When Ben is spinning JD round on his shoulder, from a long cut he is spinning JD backwards, but in the closeup JD is spinning with his head facing forward.
My Hero (2) - S1-E23
Continuity mistake: When JD is talking with Dr Cox and Ben in the staff room, Dr Cox's white coat keeps changing from wide open to mostly closed, and his stethoscope moves between shots.
My Hero (2) - S1-E23
Continuity mistake: In the scene where Ben has several Polaroid photographs scattered on top of his bed sheets, the position of the photos changes between long shots and close ups.
My Hero (2) - S1-E23
Continuity mistake: When Carla and Elliot are in the cafeteria, just after Doug sits down at their table, the top from Elliot's bottle of water moves across the table.
My Last Day - S1-E24
Other mistake: When J.D. is walking towards the hospital on his last day, it's actually the same shot of him walking towards the hospital on his first day. (00:01:40)
My Last Day - S1-E24
Visible crew/equipment: When Dr. Kelso is walking and talking with J.D. and Dr. Cox, notice the glass with the Zofran poster in back of them. You can see the camera guy, boom mic and a crew member with the white shirt walking backwards. (00:15:10)
My Last Day - S1-E24
Continuity mistake: When Jordan approaches the table, Elliot is seeping her tea bag. But when it cuts to Jordan her hands are around her cup with no tea bag in sight. (00:20:20)
My Last Day - S1-E24
Continuity mistake: Right at the end, when Dr. Cox turns to face JD there is a cup next to his right elbow, the shot cuts to further away, he gets up and storms off and the cup is no longer there.
Answer: No, it was a fake, they used a stamp.
It is real.