Alright so this part I've got written down is actually skipping forward a bit. You'll just have to take it for granted that Turlough finds the guys less and less annoying and the guys act more and more in character. Penny would be in there too somewhere, and Raj, Howard, and paintball.
These are their stories. (bon bon)
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"Sheldon, I want to tell you something," Turlough said softly, hoping to get the younger human's attention. It worked; the man had paused, chopsticks paused between his mouth and his carryout container, mouth full of pork. The look on his face said that Turlough could continue. He ran his hand over his short hair, unsure if this was the time. He could only hope that the Phycist had an open mind. "Sheldon, I know you would approve of my brevity, but I don't want to lose you halfway through."
Wrong tactic; Sheldon swallowed loudly, clearly not appreciating the poetic justice of someone else patronising him. "Now, listen, I entered university at the age of eleven. I study string theory while you do- whatever it is you spend your days doing. How could you possibly say something that would-"
"I'm from another planet, another race, and another time."
"-ever possibly lose... me..." he stalled, the first time Turlough had ever heard in the short time they had become acquainted. Then he chuckled, catching the alien off guard twice in ten seconds. "Really Turlough, I've heard better."
"But I really am!"
Sheldon picked through his food as he laughed. "Don't sweat it, everyone goes through this phase."
Turlough furrowed his brow in confusion. "What do you mean, a phase?"
He examined a single grain of rice held between his chopsticks closely. "It starts as a child with the hand motions and blue sweaters. Later you end up with pointy ears and practicing the Neck-pinch on your brother. It's a natural part of life."
The Trion felt his soul wither. "I am not from Vulcan," he said wearily as he buried his face in his hands.
"Absolutely correct, you are not." He placed the single grain of rice in his mouth and picked up another. "I have to say that I am most disappointed in your behavior tonight. This is most unbecoming- what are you doing?!"
Turlough stood in the doorway. "You don't believe me, what can I say?"
"Well, I don't believe anyone, that is hardly a good reason to leave your meal unfinished."
He looked back at the seated genius who had quit observing his food before it turned cold. This socially inept man was probably the closest to a Trion he would meet any time soon. And certainly would be the best hope for him to find the Doctor and eventually get home. He sighed and closed the door, trudging back to his food. He didn't touch it though before putting it back down. "Sheldon, you have to believe me, I am from another planet -and not Vulcan, either. Humor me."
Sheldon gave him flat look over the top of his container, nearly empty now. "I don't have the capacity to humor anyone."
"Yes, I know, it was a exercise in futility. Just please, listen to me, for once." He held his breath, waiting for the response. It wasn't vocal however; the scientist merely placed his the remains of his meal to the side and twined his fingers together, settling back to listen in feigned interest. He really did have the soulless capacity of an invading army, Turlough realised grudgingly before he began talking.
He started at the beginng: the civil war, his exile, and ending up on Earth at Brendon. The fateful events that lead to his meeting the Doctor, Nyssa and Tegan were included, but the black guardian's involvement was washed over, ignored. If the human noticed it's absense, he made no acknowledgment. His indifference towards his friend was, at first, held to strictly; but with time he softened, even became interested.
"And then what happened?" he asked, intrigued.
Turlough shrugged. "I fell behind the others. They all made it back to the TARDIS while I was watching the back. You should have seen me, I had this gun the length of my body, and so jumpy I was shooting the trees."
"Applied regulation of your heartbeat and breathing would have calmed your nerves. Research indicates that three or four deep breaths clears your mind and allows for clearer thought processes, as well as steadying your shaking limbs and thus improving your aim. Not that I believe you," he added hastily, unconvincingly. "Anyway, continue," he said, anxiously.
"Well, the Doctor and the girls made it to the TARDIS and tried to wait for me, but I was then tackled and dragged to the ground. I yelled at them but something was jamming the controls, that much I knew." He failed to mention that it was his own subterfuge that was making the TT capsule malfunction. "It finally did something that kind of resembled dematerialisation and I smelt something funny. I then realised that someone had drugged me and I crashed. The next thing I knew I was being examined by some paramedic."
Sheldon hissed. "What," Turlough asked, "Do you not like paramedics?"
"No, it isn't that, I appreciate their work. Paramedics work 16 hour shifts. It's shown statistically that they are more likely to be drowsy during peak hours and are thus more prone to accidents. That's why I avoid them."
Turlough stared at him before twitching. "Okay then. Well, after that, I bluffed my way out and managed to escape, thanks to an organisation named Torchwood."
"And they got you out of England?"
He smirked, mirthless. "Sort of. They weren't going to just let me go though. I managed to get ahold of an old friend of mine - who by this time was getting quite old by human standards - Brigadier Gordon Lethbridge- Stewart. He retired from U.N.I.T. and used some contacts to help me escape. Problem is, in my egress, I lost what little I had amassed during my time on the Earth. But more upsetting, I lost my one link to the Doctor."
Sheldon raised his eyebrows expectantly. "Well?!"
He looked at his friend. "Well what?"
He flopped his hands looking all the world like a wounded bird. "Well, you obviously have had a plan since then, haven't you?"
Turlough shrugged his shoulders, a defeated gesture. "I have nothing to go on. He pretty much hangs out in Northern Europe; I can't return there for fear of Torchwood catching me. So I came to the U.S. in hopes of finding some kind of guidance. At the very least I could move to Australia and study zoology." A thought occurred to him, making him sit up straight. "So are you saying you believe me?"
Sheldon gave him a shy smile, looking all the world like a five year old boy again, explaining to the cops what he had done to the Easy Bake oven to make it spark like that. "Oh, I believe you. And I think I have an answer."
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Oh, I'm sneaky. Yes, that scenario to explain Turlough's presence in S. California was totally made up on the spot. But apparently this took place some time in the Terminus - Enlightenment stories.
Also, while in the shower, I thought of an IT Crowd/ TBBT crossover. I don't feel like writing it right now (it would be a oneshot, I'm about 100% sure of) but I was afraid I would forget about the premise if I didn't leave myself a note in some form or fashion. So here it is: Morgan, uhm... don't forget. There, I feel so much more relaxed now.
Also, if you were wondering, I've been going to dictionary.com for a random adjective for about a week now. My writer's block seems to have left me temporarily, but my ability to think of titles has left me. Meh.