Start/End Dates	2012-09-01 through 2012-10-11
Country	United Kingdom

Details

The official Pokémon site has revealed the mythical Pokémon Keldeo. This Keldeo is identical to the one given out to Japanese players of Pokémon Black and White and Pokémon Black 2 and White 2. This identical Keldeo was distributed Game and Gamestation stores in the United Kingdom.

When Keldeo is transferred to Pokémon Black 2 and White 2 and players visit a field close to Floccesy Town with this Pokémon in their party, Keldeo will be able to learn its signature move, Secret Sword. This will enable it to change from its Ordinary to its Resolute Form, thus gaining a new appearance. If the move is deleted or Keldeo is transferred back to Pokémon Black and White, it will revert to its Ordinary Form.

Rein in the Amazing Colt Pokémon Keldeo!

The Water- and Fighting-type Pokémon Keldeo is the latest Pokémon to appear in the Pokémon realm, and now is your first chance to get it! Visit participating Game and Gamestation stores starting on September 1st to receive Keldeo in your Pokémon Black Version or Pokémon White Version game via a special distribution event. This Keldeo will appear as No. 153 in your Unova Pokédex, and it will have the moves Aqua Jet, Leer, Double Kick, and BubbleBeam. Plus, it has the Justified Ability, which it shares with Terrakion, Cobalion, and Virizion. The distribution event is for a limited time only, so don’t wait to get Keldeo at Game and Gamestation stores!

There’s even more to do with Keldeo once you transfer it into your Pokémon Black Version 2 or Pokémon White Version 2 game. When you do, you’ll be able to complete an in-game event that will teach Keldeo its signature Secret Sword move and reveal a new form for the Pokémon!

Remember, Keldeo is available only from September 1st to October 11th, so don’t miss this brief opportunity to get this awesome Pokémon!

How to get your Keldeo at Game and Gamestation - To get Keldeo, you need:

• A Nintendo DS, Nintendo DSi™, Nintendo DSi XL™, or Nintendo 3DS system
• A copy of the Pokémon Black Version or Pokémon White Version game
• The Pokédex within your game
• No more than 11 Wonder Cards in your possession

Source: http://www.pokemonblackwhite.com/pokemon-black-and-white-1/en-gb/pokemon/get-keldeo/