Sorry, it's only one! I really need ideas! Warning: Might be a tad idiotic!

Harry Potter and the Half-Blood Prince:

Harry: Please, Dumbledore, drink more! We have to get the locket!

Dumbledore: No...no...please, no!

Harry: Dumbledore, drink it!

Dumbledore: Water..please, need water...

Director: -frowning- That's not supposed to happen until the end.

Harry: peering into stone basin Is this supposed to be red?

(Dumbledore is still spluttering and suffering)

Dumbledore: Quick! My tongue is burning!!!!

Director: (turns to Voldemort) Don't tell me you put your Tabasco sauce in there while eating your taco!

Voldemort: Well, sorry, I thought it was the trash!

Harry: Don't be stupid. Don't you know your own props?

Voldemort: Well, I'm SORRY, but they don't let me SEE THE PROPS BEFOREHAND!

Dumbledore: -gasping- CAN I PLEASE HAVE SOME WATER?

Harry,Voldemort, and Director: -jumps- Sorry!

-Harry gives the evil eye to Voldemort-