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)
My Kingdom - S2-E19
Continuity mistake: When the guy at the end asks for nasal spray, the black dude has a fork in his hand, but when the shot changes he is playing with a Fanta can, and then the fork again. (00:20:15)
My Kingdom - S2-E19
Continuity mistake: When J.D lends his nasal spray to Doug in the final scene Doug returns the spray to J.D after putting the cap back on. In the very next shot as J.D says "Don't bogart my nasal spray", J.D uses the spray without putting on the cap, and you can see the cap placed on Doug's tray.
Answer: No, it was a fake, they used a stamp.
It is real.