Revealing mistake: When JD is trying to avoid Jill Tracy in the store, he latches on to the side of a shopping cart and throws 2 white bags on top of the groceries. The overhead view of him hanging onto the cart shows the bags missing.
Turk: Dr. Kelso, I would like to request a new imaging machine.
Kelso: Certainly, you will just have to fill out a 3T form. Turk: What's a 3T form?
Kelso: Tough Titties Turkleton.