I wouldn't have thought it possible that somehow we've materialized for a split second of time and been imprisoned in some kind of false. I simply can't break its hold. Somewhere, somehow, we are being slowly dragged down. Dragged down? To what? We are thin and static. Cracks and pools. Oh, it's like a cemetery, it's so quiet. No vegetation, and I haven't seen anything move yet. We're on the moon. What is holding us here? What force? That looks a bit grim. Where are we? Doctor, can't there just be something wrong with the TARDIS? Wrong, my boy, we've been dragged off our course. The question is, is it some natural phenomenon, or is it intelligent, deliberate, or for a purpose? Oh, you'll find the answer, Doctor, you always do. What? You'll find the answer. Oh, yes, my dear, yes, I'm confident that I can counteract it with more power, yes. Let me see. Yes. Good, good, the power response is satisfactory. Can you hear it? Listen. What is it? Ian, Barbara, what is it? What can you hear, Vicki? A sort of humming. Can't you hear it? Can you hear anything, Doctor? Oh, she's dead. She's probably heard an extrasonic sound, you know, the thing that young people and young animals hear. Excuse me, you're in the way. Oh, it's stopped. Barbara, it's stopped. Are you all right now? Yes, yes, thanks. Doctor, Doctor, we must get out of here. Oh, yes, I quite agree, I quite agree, the power build-up is strong enough, yes, quite satisfactory, but now the motor has weakened. Let's see what it is. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Yes. Thank you very much. Please. Thank you. Thank you. Nice to meet you. Yes? Yes? Yes? What is your name? Thank you. What's happening, Doctor? What's happening? We seem to be caught. Tapped somehow. This is some strange phenomenon. There's no power to the ship. It's useless. Ian, Doctor, look! I saw a flash behind one of those crags. Where? Out there. I saw it. I saw it! Well, it's not there now. Well, I can see it's not there now. All right, all right. Don't snap at each other, my dear. I'm sorry. You probably saw some cosmic ray which is causing the interference. Well, I was almost... Vicky? The noise... it stopped. Yes. It's all gone now. Come on. I think you'd better lie down for a while. Yes, yes. It's so disturbing, all this. Well, Doctor? I can't understand. Well, there's nothing for it, my boy, but we shall... It's a matter of exploration. We shall have to go and find the trouble of this interference and then learn how to counteract it. Ah. No need for the other two to come. I'll go and tell them. Quite so. How is she? Oh, she's better. Doctor, do you have such a thing as a sedative? Oh, yes, of course, my dear. It's in the first aid box. You know where it is. There, it's facing you. Oh, yes. Oh, Doctor, what a mess. Honestly, one of these days I'm going to have a jolly good spring clean around here. She's asleep already. Oh, er... Barbara, the Doctor and I are going outside to have a look around. Now, don't worry. I won't let him out of my sight. Hello there, Barbara. Yes, sir. We're ready. We'll be all right. Both of you. Yes, yes, yes, yes, of course, of course. Now then, I want you to wear this ADJ. This what? Atmospheric Density Jacket, to be precise. Oh. Yes. I see. The atmosphere a bit thin? Yes, I'm afraid it's rather subnormal. Oh, no. Hmm? What's this extraordinary thing? Oh, these are what they technically call respiratory compensator. Oh, I see. It's a sort of advanced oxygen mask, eh? Exactly, exactly. Hmm. Well, come on then, Doctor. Ah. How do we open the doors? We have no power. Ah. Did you, did you, did you? Hmm? One thing after another. Hmm? Yes, well, I, I, I didn't want to, eh? Eh? This is not merely a decorative object. Come along, come along. Hmm? Vicki? Here, take these. You'll feel much better. What is it? Oh, it's just something to make you sleep. May I see the container? Any aches or pains? No, I didn't hurt myself. My ears still sting a bit, but that's all. Well, have you decided yet whether to take the prescribed dose? It looks a bit medieval. What do you mean? Well, you wouldn't like it if I wanted to stick leeches all over you, would you? And I mean it boils down to the same thing. They might have taken these in your time, but that doesn't mean... Now, wait a minute. You can't blame my generation for everything, and those pills belong to the Doctor. He must have picked them up on his travels then, because I'd never seen aspirin before. Oh. So, you studied medicine at school, did you? Yes, of course I did. Didn't you teach it? No. We worked upwards from the three R's. Hmm? Reading, writing, arithmetic. Oh, it was a nursery school. It was not! Oh. I wish I'd gone to your school. We had to take a certificate of education in medicine. Physics, chemistry... Now, wait a minute. How old were you? Well, I was ten when I took those. Ten? What did you do in your time? Live in the classroom? Live in the what? Classroom. Lecture hall. How long did you study? Almost an hour a week. We had these machines, you see, and we always... All right, Vicki. Now, look, you don't think there's anything wrong with those pills, do you? No. Well, why don't you just pander to my old-fashioned medieval superstitions and take them from me? Well... After all, it would save me having to put make-up on and a mask and dance around a fire in order to get rid of the evil spirits. All right. Good. That's nice, Barbara. I haven't seen you wear it before. The bracelet? No, I haven't had it for very long. Was it a present? Mm. From Ian? No. Oh. From Nero, as a matter of fact. Oh. From Nero? But it couldn't have been... I haven't had a chance to tell you before, but Ian and I went to Rome also. But I... I'll tell you all about it when you wake up. I'm not sure whether you're making it up or not. I'll ask Ian. He'll tell me. Well, you do that. He'll be back soon. Back? He's gone outside? Well, well, well. That is remarkable. Hm. Hm, hm, hm, hm, hm. Oh, gracious. But you know, my friend, I don't think I've ever come across something so... valuable. Isn't it extraordinary? I say. Are you there, by... Chetterdon. Chetterdon. What are you doing, dear boy, fiddling and gaping over there? Come over here and learn something. Look here. Do you see what this is? It's mica. Yes, one of the silicates. Capable of withstanding great heat. Quite. Have you got something sharp I can have for a moment? Hm? Uh... Try my pen. Here, take it. Oh. Hm, hm, hm, hm, hm. Oh, ho, ho, ho, ho. That's very clever. Very clever. You know, you've never done that before. That's a remarkable conjuring trick. Hm, hm, hm, hm. That was no conjuring trick, Doctor. Hm? That was my pen. It vanished into thin air. Oh, thank you. Vanished! Vanished! Vanished! Vanished! Yes, my gold pen! Vanished! Vanished! My gold pen! Gold. Ho, ho, ho, ho, ho. What is it, Doctor? Hm? Echoes, dear boy! Ho, ho, ho, ho, ho. Ho, ho, ho, ho, ho. Echoes! I don't mean that. I mean this place. I have a feeling. Hm? What sort of feeling? I have a feeling we're being watched. Haven't you? No. No, no, no, no way. I can't see any spokes or anything. No, I don't think so, no. Not particularly, no. I must say that if I lived here and I heard you roaring your head off, I'd probably come down and take a look at you. Ha, ha! And take my pen. Yes. Whatever power has got hold of the TARDIS has taken your pen, of course. Ha, ha! Now then, there's something for us to solve. Come along, come along, come along. Come along. Barbara? Oh, sorry, did I wake you? No. The other's back yet? Um, no, not yet. Is something wrong? No. Why? I don't know, you seem nervous. Oh, there's something about this place. I know. I wish we'd materialized in some really luxurious place, you know, lots of lovely things to buy and eat and wear. Is your arm hurting? No. Vicki, I know this sounds silly, but it doesn't feel as though it belongs to me. A little while ago it moved without my intending it to. Well, if there's things we don't understand that frighten us, I'm sure there's a perfectly simple explanation. It's, I'm just letting my imagination... Doctor! Hmm? Look! That was built. Yes, but when? It's old, so old. Look at the state it's in. Hmm. It's a pity we didn't bring a ladder with us. We might be able to see what's on the top. Well, it isn't Nelson. No. No pittance. Well, it certainly has nothing to do with holding the ship here, my boy. Curious, though. Yes, it's curious, yes, yes, yes, but we must find something more tangible. Come along, come along. Oh, Doctor, look. Must be water. Any form of life would need that. Wait, wait, stop! What's the matter? You're a little premature. Let's have you tied. I haven't got one. I know you're not wearing one, dear boy, but the one round your middle. Hmm? Hmm. My pants stay up? Yes, that's your affair, not mine. Here you are. Thank you. Now then. Huh? Yes. Let's see. Oh, just a minute. Here, there you are. Look. See that? Here. Here you are, you see? Yes, I do see. You've ruined it. That was my Coal Hill School tie. You just saved your life. You were about to have a wash in there, weren't you? Or probably drink some of it. Ha! You very nearly had the remnants of a Coal Hill school teacher in there, instead of this wretched old, ragged old tie. Never mind about that. What is it? Ah, let's see now, now, now. What have we got, hmm? Echoes. Interference. Gold. And now, acid. Yes, similar properties to formic acid. Hmm. Yes, it's strange, isn't it? It's very strange. Hmm, hmm, hmm. Doctor! There. What's that? There's something in there. I saw a light. It broke the surface. A light? Is it a reflection from a planet? No, no, it was in there. I saw something in there, I tell you. Now, my young man, if this is your idea of revenge for that tie, then I think it's a pretty poor effort. Doctor, this is not revenge. Now, listen, we came here to find out the source of interference. Now, I suggest we keep our minds on this subject. No rambling on. Come along. That's it. Go. Is it, Doctor? Hi. Hi there! No! No! Mitt You mean the noises are messages? It probably comes from some sentient thing or a machine operated by it. We must find the source of this interference. Come on. Barbara? Barbara? Barbara? Barbara? Barbara? Barbara? Barbara, where are you? Barbara? Barbara? Hey, Speaky. Nothing's wrong back at the ship. It's probably just the daughter. Come on. Come on, Doctor. Don't come near, Doctor. Don't come near. Go back to the ship. Go back to the ship. Hang still. It's a little ding and hurt. I'll go back to the ship and try and find something for you, won't you? Yes, all right. I'll go back to the ship. My ship. My TARDIS.