I don't own Doctor Who

So far people seem to think that Sofia might be the Doctor's daughter, or part Bad Wolf. Are there any other theories?

"So," Rose enters the console room, "Where are we headed today?" Rose is not surprised to see the Doctor and Sofia already in there, in the middle of what appears to be an argument.

"You did not read a 39th century Zork textbook on quantum physics that was 8,000 pages long in two hours!" The Doctor was exclaiming.

"Why not?" Sofia challenges him.

"It's impossible, EVEN FOR ME!"

"You're admitting that you can't do something?"

"Okay, fine. I'll test you on quantum physics! Do electrons typically act like a particles or waves?"

"That depends on whether the experiment is observed or not. Plus, that is from quantum theory, not quantum physics." [1]

"Oh, shut up!"

"Why, because I'm right?"

"Are we going somewhere, or are you two going to keep arguing about stupid things all day?" Rose interrupts.

"Quantum physics/theory is not stupid, Rose!" Sofia protests.

"I meant which one of you was a bigger nerd, but q stuff is rather idiotic too."

The Doctor started the TARDIS's engine during this exchange between siblings. When the two girls nearly fell over due to this, they switch their attention to the Doctor and inquire about their destination for today.

"I've set her on random!" the Doctor claims.

"So we could end up anywhere, or any when?" Rose affirms.

"Yep!" the Doctor reaffirms.

A few minutes later and after the typical bumpy ride, the TARDIS lands at the as of yet, unknown. The Doctor throws the TARDIS doors wide open. There are guns pointed at them. The holders of the guns are humanoid, dressed in military clothing, and are sky blue.

"You will put your hands up, and exit the blue box!" The one who appears to be in charge, orders.

The Doctor is the first to exit the TARDIS; Sofia is the last. She closes the doors behind her.

"Who are you?" the Doctor asks.

"We are the Calkacs (call-kaks)!" the same blue man from before states, "And you are Hondas [2] the ones we are defending our planet against! You are now our prisoners!"

"Right, well, um" Sofia drabbles, "I got nothing."

"You will be silent, and follow!"

"What are we going to do with them?" One of the Calkacs asks the leader.

"We'll put them with the other Honda." The leader responds.

"Her cell only holds two"

"Then we'll put the two blonds together, and shove the brunets into the other cell."

"The other cell is the death chamber!"

"The brunets look the most dangerous."

"I wouldn't underestimate Rose like that" Sofia stage whispers.

One of the solders pokes Sophie with her gun and orders "Silence."

"Alright, I'll shut up!" Sofia rambles. "I can totally be silent. This is me being quite. This is me not talking. See, I stopped talking. I am so capable of being silent; you won't even know I'm there. I'm not making a sound..."

"Next time you speak, we shoot!" A solder growls.

"Why do I care, you're already shipping me off to the death chamber!"

"You live slightly longer."

"I bet that the death chamber details a long painful death, being shot would be so much fas-" Sofia gets cut off with a gunshot. She lets out a yelp pain and clutches her left upper arm where one can see blood seeping from the wound. She gulps. "I'll shut up now." Sophie's voice is strained.

"Next person who make sound is dead!"

Hopefully, needless to say, the rest of the trek goes in silence.

After a while, the group arrives at a compound. Sofia and the Doctor are herded off into a dark room. They are told that sometime within the next 24 hours they will die. Aside from that, they could die at any time.

Rose is brought to a "proper cell". It has a bared window, and a solid door. Inside, attached to the wall across from the window is a metal looking bench. Sitting on the bench is a highly curly and poofyish haired, women.

"You're new cell mate." One of the guards leading Rose announces as he shoves her into the cell. After the guards have left her in the cell and closed the door, the woman approaches Rose.

"Rose Tyler!" The woman exclaims happily as she hugs Rose.

[1] Thank you scientific TV show

[2] Not cars, oops

Who do you think Rose's cell mate is. Hint: Not supposed to meet her until season 4