its easy + simple. If your game has Black City it means you have Pokemon Black. If it has White Forest it means you have Pokemon White. You can also find out by looking at the start of your game.
You can go to the white forest and hope your game's forest has wheezing in it.
Pokemon Black has Black city. Pokemon White has White forest
You can get pokemon in white forest during any season. If you take people from other people's black pokemon game through the entralink, more pokemon appear in white forest. For example, you can find Elekids after you take some people, Magby appears too.
in Pokemon black you can find it in the black city and in Pokemon white its in the white forest. you can also just buy it from iciruss city in either game for 70,000 pokedollars.
You should be able to find your Pokemon white game where you last put it.
You have to interact with a friends game through Entralink and talk with the trainers in their Black City/White Forest.
He is not there, it was just a fake rumor made up by game FAQs.
You cannot find Celebi in-game in Pokemon Black and White. You must get it from the Pokemon Black and White Tour.
Black 2 has Black City, but using the game's key system, it can also have White Forest.
thunderus is in pokemon white
Catch an electabuzz at the power plant then put it in the four island day care with a ditto and walk around the islands for a while then come back and get the egg and hatch it it will be an elekid.