Porcupine_I on 30 January 2014
Obviously nobody knows, everyone bought it on disc like me 
I would assume that you don't need the 3D movies. Just try without them, you can always download them later should you need them after all
“It appeared that there had even been demonstrations to thank Big Brother for raising the chocolate ration to twenty grams a week. And only yesterday, he reflected, it had been announced that the ration was to be reduced to twenty grams a week. Was it possible that they could swallow that, after only twenty-four hours? Yes, they swallowed it.”
- George Orwell, ‘1984’
