On a random street corner sat a box. The pedestrians wondered, of course, but for the most part it was ignored. The box was large and blue, with the words POLICE PUBLIC CALL BOX along the top. Three people walked up to it and opened the door, stepping inside.

The box was called the TARDIS, Time and Relative Dimensions in Space. It was an amazing machine, bigger on the inside and with the ability to travel through time. The first of the three people was a girl. She was in her early twenties, with bright red, wavy hair and a slim figure. The second was a man, about the same age, with sandy blond hair and a slightly dopey face.

The third was a man beyond all imagination. He seemed about the same age as his companions, when really he had been around so much longer. Hundreds of years saving the universe, bringing him to where he was now: a tall man with dark hair, a brown jacket, red suspenders, and a bow tie. The Doctor, with his TARDIS and two companions, Amelia Pond and Rory Williams.

When they entered the TARDIS, the Doctor ran straight to the controls. "Right, Ponds, where to next?"

"How about-" Amy began, but she was interrupted by the entire machine shaking. When it finally stopped she looked at the Doctor. "What was that?!"

Without answering, he ran to the other side of the room and picked something up. He turned around, revealing a piece of paper that had been on the floor.

"What is that, Doctor?" Rory asked.

The Doctor walked over and showed it to them. It read:

Doctor,

I cannot tell you who I am, but we are all in grave danger. There is this thing, the strangest thing imaginable, which, for you, is saying something. It is a giant black hole, but, as days pass, it has grown bigger and bigger. My people have been jumping from planet to planet, attempting to escape, but it has gotten closer. And, whenever something is sucked in, it is like everyone else forgets they existed but me. No one seems to remember any of the species that have been demolished so far, and you as well may not.

It is looking like the hole will not stop expanding. It is already huge, and grows faster everyday. At this rate, it will consume the universe by the time the week is out, then continue to destroy all others, even the Void.

A prophet requested that I give you this to help you find the tools you will need to stop it.

"First find the one who cannot die,

by blade or gun, shan't even try.

Then the one you stole from,

gone then returened to the place from which he comes.

Then the one who's love you never returned,

who you turned down and from whom you turned.

Two halves of a whole fill the next slot,

one can't remember, one has what you want.

Finally, find the fallen flower,

who tried to reach you with all her power.

With these six you shall succeed,

the Darkness with, in the end, receed."

I hope this is of assistance. I will try and contact you again if possible.

Thank you.

"What is all this about?" Amy asked the Doctor. He didn't reply, still staring at the list. "Doctor?"

"Hm?" he said, looking up at her. She had concern written all over her face.

"What does this mean?"

"It means," he said, "that we have to go pick up some old friends." With that he ran back to the controls and the TARDIS began whirring. "And I know just who's first."