They do not have an exact date for this yet. Did you also know that an Event Arceus is going to be given to games of Platinum later?...
You can only get the secret key in Pokemon Platinum
There is no information available on Nintendo holding another Secret Key event in the future.
you need wifi do get it!
well you need the secret key for team galactics HQ
Already happening............
No, you can't mix records in Pokémon Platinum in order to get the Secret Key from a friend.
You can't get the Secret Key in Pokemon Platinum without Action Replay, unfortunately. You can get Action Replay from most major websites.
stop being a Pokemon playin douche
I Know One For Pokemon Platinum in Japan They had A Wi-Fi Secret Key Event.
obtian the mystory event
The Old Cheatu.
give him a secret key the different secret key the different rotom