"Hello, hello, hello everybody! It's me the Doctor," Says the Doctor, grinning gleefully while standing in front of the tardis controls. His hands reach to the side and pull Amy into view. "And as you all know this is my good friend Amy" Amy waves.

"Now, I was thinking, I go back in time and into the future and all around the universe, I must learn quite a lot. Isn't that right Amy?" Asks the Doctor. Amy shakes her head as if it was too rehearsed.

"And I got a brilliant idea. I know most of you out there would kill to have me be your history teacher, and take you on exciting adventures and all that, but I'm not. But now I am! Short of." Amy rolls her eyes.

"I've decided that I'm going to take you on adventures with Amy and myself through history, and maybe try to sneak some studying in there." He's face lights up and he swings around and starts pulling some important looking levers.

"Our first stop," He says as he glances back. "Is prehistoric times. Very exciting, we are going to start all the way at the beginning of man."

"Doctor, you have to give some back ground first. Remember? The different scientists?" Amy says, reminding the Doctor of the curriculum.

"Ah, Right." He takes a deep breath beginning his speech. "Scientists examine artifacts left behind in order to learn about early humans. And artifacts are any type of evidence left behind from the past. Hint, if it's in a museum it's usually an artifact." The Doctor gives Amy a wink. She motions for him to continue. "There are three types of main scientists. Archaeologists, who examine all evidence of human life, Anthropologists- who examine artifacts to study culture, and Paleontologists, who examine evidence of early life. More specifically dinosaurs, ooo, I just love dinosaurs."

"Well done Doctor, I only had to show you the flash cards three times." Says Amy sarcastically, holding up the flash cards.

"To be fair, when you travel back in time no one really gives you a pop quiz to see if you know any vocab." He pauses a moment thinking. "In my experience, almost every time I've gone back in time someone or something has tried to kill me. Let's hope that doesn't happen this time, yeah?" Then he starts laughing.

"Amy have I told you about that time with the witches and Shakespeare?" Says the Doctor. Amy rolls her eyes.

"Let's try not to get side tracked." She says, putting him back on track.

"Oh you're no fun." Suddenly he's interrupted as the tardis shakes violently from the rough landing. "We're here!" He claps his hands together with excitement. "We are about to see Hominids, which are any human like creature that walks upright. This is also known as bipedal motion, which literally means two feet. We are currently in the Paleolithic Age which is, um, Amy the flash cards, which is 2.5 million to 8000 million B.C. Whew! Older than I am. Well, almost."

Amy rolls her eyes. The Doctor motions for the next flash card. "The main achievements of the Paleolithic Age are development of simple stone tools and mastery of fire. I love watching the caveman play with fire. They always try to touch it and get burned. Then they do it again. They never learn…"

"Doctor, stay focused."

"Right, sorry. So man's lifestyle during this time depended on hunting and gathering. The men did the hunting, the women did the gathering. They were also nomadic which meant they moved from place to place. And they lived in small groups. Great! Can we go now?" The Doctor asked impatiently.

"Yes. We can go now." The Doctor runs to the door and whips it open, letting the heat of the African weather radiate into the cool tardis interior. "Geronimo!"

Amy follows him outside, where they find themselves in a cliffy region. "Doctor are you sure we're in the right time?"

"Of course. Just because it looks like the present doesn't mean it is. Come on. I know where these Australopithecus like to hang out." Amy followed him down a rocky path.

"Australopithecus was the first hominid to be discovered and it lived approximately 4 million years ago. Footprints were discovered by Mary Leakey in 1978, and a fossilized hominid was found in Africa in 1974. She was famously named Lucy after the song Lucy in the Sky with Diamonds by the Beatles." Amy explains.

"I was there when they discovered it." The Doctor yells up to Amy who is walking a few paces behind him. "In fact, I was the one who suggested naming it Lucy. To be honest it was really a bit of an accident. I was trying to say Cutesy, but they misheard me over the music and named her Lucy."

"You wanted to name a fossilized hominid Cutesy?" Asks Amy in shock.

"Of course! What better name could you ask for? She was adorable."

"She was dead." Amy mutters to herself. The Doctor either doesn't hear her or ignores her. She stops beside him outside a cave. He looks slightly distressed.

"Hmm. Not here." He pauses. Amy looks into the cave and sees some cool looking cave paintings and what looks like a pile of simple spearheads. "Oh well. Let's go see Homo Habilis."

As they reach the tardis the Doctor gives a brief summary of Homo Habilis. "This hominid lived around 2.5 million years ago after the Australopithecus had gone extinct. They were the first tool makers."

"That's strange." Amy interrupts. "Doctor, I swear I say some-"

"Amy, please. I thought you said not to get side tracked. A perfect timing. Here we are!" The Doctor runs outside. Amy goes to join him. They seem to be in the same place, only the trees have a grown a bit more and the landscape has changed a little. But overall it looks basically the same. By the time she's outside, he's already run down the rocky hill. She runs after him. Again she finds him standing outside of the cave again. "Doctor?"

"They're not here…" He seems to be thinking to himself. Trying to come up with an explanation of where they've gone. Suddenly he gets all bright and cheery again. "Come along Pond. Onto the next."

"Okay…" Pond mumbles to herself.

"Alright, so who do we have next?"

"Um," Amy looks down at her flash cards. "Homo erectus."

"Lovely. Homo erectus was the first to develop technology. He also harnessed fire and migrated to other regions. This was around 1.8 million to 143,000 years ago."

The Doctor began to maneuver the tardis. "Okay, we're here." He jumps out and then slams to a stop. Amy follows him outside and her jaw drops.

"Doctor?"

"Pond?"

"Is Homo Erectus supposed to be farming? Or have domestication of animals?" They were looking out over what seemed to be an early type of settlement with mud houses.

"Check the flash cards." Amy quickly pulls out the handy dandy flash cards. Her face turns pale.

"No. It isn't until the Neolithic Age aka the New Stone Age with Homo Sapiens Aka Cro-Magnon man from 8000 to 3000 B.C. that hominids begin to farm. Farming and domestication of animals are the two components of the Neolithic Revolution."

"And that's not supposed to have happened yet…not for almost 135,000 years."

"So what's going on?" Asks Amy quietly. The Doctor's eyes narrow.

"Let's find out." They skim along the edge of the cliff to get a better view of the camp.

"Doctor?"

"Pond?"

"Based on the flash cards this settlement is using Slash and Burn Agriculture," She says, motioning to some farmers with torches. "which was the earliest form of farming where people cleared grass and trees with fire and then farmed. They also seem to have a larger population which is an effect of the Neolithic Revolution." She peered at one of the cards. "It says farming provided a reliable food source, which led to surplus. Increased amount of food equals an increased population." The Doctor doesn't answer. Amy watches as his eyes search the settlement for anything out of place. He suddenly stands up.

"Sorry to do this to you folks, but it looks like we've got some investigating to do. Come along, Pond."

They climb down the side of the rocky outcrop and once again find themselves outside of the cave. This time though, they go inside.

"So what are we looking for Doctor?" Asks Pond as she sees him taking out the sonic screwdriver. He begins scanning it along the walls.

"Anything out of the ordinary."

"Which is everything?"

"Pretty much." Suddenly the sound of rock moving against rock makes Amy jump as a door emerges from the cave wall. The Doctor slides the screwdriver back into his coat pocket. Without another word, Amy follows him into the dark corridor. Halfway along she notices the floor changed to metal. She runs her hand along the walls and finds that they are also metal. Suddenly they find themselves in a metal hexagonal room. Amy's heart freezes. Along each wall is a Cyberman incased in a Plexiglas tube of some sort.

The Doctor runs forward and begins scanning them with his sonic screwdriver. Then he scans the large computer in the center. "Just as I thought." He whispers to Amy. "Their power supply is very low and they are very weak. They must have crashed here and built this makeshift power supply unit as a last ditch effort to survive a little longer. I thi-"

But the Doctor is cut off as a little beeping noise comes from the computer. He leans in to study it. Suddenly his face lights up. "It all makes sense." He whispers excitedly. "The Cybermen are injecting the water supply with a hormone that speeds up evolutionary development. See they can't convert cavemen because their brains are too simple to compute with Cyberman technology. So they're speeding up their evolutionary process. Once they become evolved enough the Cybermen will awaken and harvest them, creating more Cybermen. They'll convert mankind before mankind even exists."

"So how do we stop it?" Asks Amy.

"We have to go back to when the Cybermen first sped up the evolutionary process and stop them there."

"Why can we just pull their power supply now?"

"Because then the Homo erectus are still too evolutionarily advanced. We need to stop them before that happens. Put things back on course."

"Sounds simple enough. How do we know when the Cybermen landed?" The Doctor doesn't answer, just starts scanning the computer again. A moment later the computer makes a noise.

"Identification?" It asks in a Cyberman voice.

"Umm…" He starts scanning with his screwdriver again.

"Identification confirmed."

"Great. So when did the ship crash land?"

"Five thousand two million seventy-"

"Oh, shut up." The Doctors scans his screwdriver at the computer.

"Ah. A few years before we arrived. Great. Come al-"Suddenly the Doctor is interrupted by the computer which begins to make a very loud beeping noise. A red light starts to go off and a voice says very loudly, "INTRUDER ALERT. INTRUDER DETECTED. DELETE. DELETE."

"Pond?"

"Doctor?"

"Run." Suddenly the chambers with the Cybermen inside begin to open. One by one they all begin to awake. "Doctor detected. Delete. Delete."

"Run!" Amy starts to run back into the corridor. It seems longer than it was on the way down. She looks back to see the Doctor running after her and then a crowd of Cybermen trying to follow. They seemed to be stuck at the entrance, which was only built large enough for one Cyberman at a time. She knows it's only a matter of time before they figure this out though so Amy looks ahead again and runs as fast as she can.

Finally they emerge into the sunlight and they run back up the cliff. "Faster Pond!" Amy hears behind her. She crashes against the tardis doors and throws them open. She jumps inside and the Doctor quickly follows her. She sees a Cyberman a foot away from the door as the Doctor slams it shut. Laser fire can be heard outside being shot at the tardis. Amy catches her breath, but the Doctor is already at the controls. "Sorry about that folks. We're just going to take a little detour."

"Back to Australopithecus." He pulls a lever and the tardis seizes forward. "Geronimo!"

A few moments later they emerge again at the cliff. They walk down to the cave. Amy notices the spearheads are gone. The Doctor pulls out his screwdriver. He scans the wall and again the door opens up. "Let's be a bit quieter this time." He smiles playfully at Amy.

Again they find themselves in the hexagonal metal chamber. "So what now?" Amy asks.

"It should be simple enough that I just have to turn off the computer and their power supply with it. They shouldn't have enough energy to even awake fully." With that he starts scanning the computer. After a little random button tapping the words "Are you sure you wish to turn power OFF?" appear on the screen. The Doctor immediately taps "YES."

Suddenly there's a whirring noise and the lights go off. The Doctor turns his screwdriver on and illuminates the chamber in an eerie green glow. "Also makes for a handy dandy torch. Or flashlight for you Americans out there."

"Is that it?" Asks Amy, who is used to a much bigger climax.

"Yep. Let's go." He turns to leave when he and Amy notice the door has closed again.

"Give me a moment." He starts playing with it with his screwdriver trying to get it to open. Amy starts looking over at the Cybermen. There were six walls and a Cyberman case inbedded in each wall. One, two, three. Amy looks at some of the Cybermen who seem a bit dented. It's clear that the Doctor's theory about them crashing is correct (as always). Four, five…Where's six?

The six chamber was empty. "Doctor?"

"Pond?"

"Doctor there's a-"

"There's a what?" Silence. "Amy?" ZAP.

Amy's vision comes back slowly, but she's vaguely aware of something binding her arms and legs. She looks to the side and sees the Doctor strapped to what looks like an operating table.

"Oh good. You're awake." He says cheerfully.

"I thought you said they wouldn't have enough energy to wake up?" Asks Amy, very sassily.

"I said they shouldn't as in it is possible they might but they probably won't."

"Well thanks for clearing that up…So what now?"

"What now? We continue our lesson." He turns to face front. "Today we're going to have a little lesson on how to defeat/escape a Cyberman hive. First off, make sure they haven't taken your screwdriver." The Doctor suddenly pulls his hand out of his coat.

"Wait, WHAT? How-how did you do that?" Asks Amy in disbelief.

"I was wearing my fake arm."

"You have a fake arm?"

"Yep. It's very helpful in situations like this." He smiles mischievously.

"Next step." He continues. "Use your screwdriver to unlock the rest of your bindings." He proceeds to unlock his bindings. "Wonderful. So now because the Cybermen are low on power, we drain the rest of it." With that he points his screwdriver at the main computer. Suddenly all the lights begin to flash on and off. Loud sixties' music starts playing over the loud speaker, over powering the Cyberman voice saying "INTRUDER ALERT." The Cybermen chamber doors begin opening and closing randomly. One of the Cybermen awakens and tries to get out, but the door shuts on him. It opens and closes on him. Finally he smashes it. Then he tries to run after the Doctor, but is painfully slow because the Cyberman is low on power. He begins to slow down even further. "Upgrade. Upgrade. Upgraaadddadad..." The Cyberman slumps over.

Almost as soon as it happened all the chaos comes to a halt. The Doctor walks over to Amy. "And that is a basic lesson in Cyberman survival my dear Pond." He unlocks her bonds and they climb back up to the surface.

"So will all the hominids go back to normal now?"

"Yep."

"Great. So now that history is back in order, we better get going. We wouldn't want to miss our next lesson." Amy says with a smile.

"What is our next lesson?" Asks the Doctor. Amy takes out the flash cards.

"Mesopotamia."

"Oooo. I do love cuneiform." He winks at Amy. "Come along Pond. We have a lesson to teach."