Yes you can. You can buy it in a video game store.
Just like any other expansion or stuff pack, you need The Sims 3 in order to play The Sims 3 Supernatural.
Yes.
Yes you must have Sims 3 to play any of the expansion packs or stuff packs
No
When is the sims 3 supernatural comming out
You cannot play The Sims 3 without downloading it.
Yes, You have to get The Sims 3 Showtime in order to create a Genie for the Sims 3 Supernatural, Because if you don't, It'll just say that it doesn't allow it without the Showtime pack for this, even if it doesn't show it or so.
Sims 3 Supernatural is an EP (Expansion Pack) for the PC game, Sims 3.
No you can not you must have either the Sims 2 or Sims 2 deluxe to play sims pets
If Sims 2 Nightlife is cheaper than Sims 2, then no you cannot play, but if it isn't, then you can!
The Sims 3 Supernatural will not be released for the Wii and Supernatural will only be available for Microsoft Windows and OS X.
If you mean to play the game without the base game, the answer is no. You must have the base game to play.