After Eggman practically destroyed Mobius, Sonic, Tails, Amy, Cream, Rouge, Shadow, Knuckles, Espio, Vector, Charmy, and Cosmo from Little Planet, landed on Earth in search of their new home. They found a nice house, which so happened to be yours, and decided to check out your place. They knocked your door, and you answered the door

Sonic: Hey, I'm Sonic. This is Tails, Knuckles, Amy, Shadow, Rouge, Cosmo, Vector, Charmy, Espio Cream and Vanilla, Cream's mom. Can we crash at your place, because our home planet got destroyed?