"It's my transmogrifier," Calvin stated, proudly. "It converts one kind of animal into another."

"You mean, like a frog into a rabbit?" the little girl asked, peering at the box curiously. Calvin thought she talked funny.

"Or a person into a dinosaur!" Calvin responded. "And don't touch it! It's mine!" He looked over at the currently complaining tiger sitting next to him. "Sorry, Hobbes, I meant, mine and Hobbes'."

"Bah," said the girl. "I bet the Doctor could turn anyone into anything. He doesn't need a silly old box."

"I think I know you from somewhere!" Calvin declared.

"But this isn't just any doctor. This is the Doctor," the little girl said, stomping her foot. "But you don't know about the Doctor, because you're stupid."

Calvin fought the urge to slap his head. "So that's where I know you from..." he muttered.

"Calvin, WHAT?"

Calvin simply outstretched his hand. "Come along, Pond!"