So far you can't download this video yet but here is what happend in words
Kingdom Hearts: Birth by Sleep (PSP) DKΣ3713 Event Trailer Summary:
Castle courtyard, Aqua is dancing, Ven and Terra are watching. Someone approaches from the entrance, and the three gather.
Castle of Dreams. Ven is running around holding a blue ball. Lucifer (The cat in Cinderella) pounces on top of Ven. Mouse yells, "Watch out! Run away into the house!" (It's the mouse from Cinderella, not Mickey.)
Sleeping Beauty World (?) Maleficent: "Those who do not have any darkness, seven of pure light――" Maleficent: "To collect...