A/N: This is the first story in my "Doctor Who Crossover Series." It's a crossover with House. I'm currently working on Chapter 2 and will post it as soon as it's done (and as soon as I figure out where exactly this story is going). Please enjoy and please review.

Disclaimer: I don't own Doctor Who or House.

The Doctor Never Lies

1:Posers

"Where are we this time?" Martha asked, rushing to the door of the TARDIS. She peered out the window at a busy street before pulling the door open.

"New Jersey, I believe," The Doctor said, following Martha into the street. He took a deep breath and let out a long sigh. "It's beautiful, isn't it?"

"And what are we doing in New Jersey?" Martha asked. The Doctor looked at her out of the corner of his eye, an odd smile on his face.

"Does there need to be a reason?" he inquired.

"With you? Yes," Martha replied, crossing her arms over her chest. "So, why are we here?"

"Well, we're going to infiltrate a Hospital," The Doctor said as he set off at a brisk pace. Martha sighed and ran to catch up to him.

"How?" she asked.

"Why, as a patient and a Doctor," he replied.

"You mean I have to be a patient?" Martha asked, stopping. The Doctor took a few more steps before realizing that Martha was no longer with him. He turned around and motioned fervently for her to keep up, but she shook her head. He sighed and returned to her side.

"No, you're going to be a Doctor, now come on," he started walking again, but Martha didn't follow. He gave a disgruntled sigh and again returned to her side.

"I can't," she said.

"What do you mean you can't? You are!"

"No, I'm not. I'm an intern."

"Oh, well, then. You'll be an intern," he said, shrugging. Martha thought for a moment, then nodded and they set off again. They walked on in silence, pushing through the crowds, and didn't stop until they reached the doors of Princeton-Plainsboro Teaching Hospital.

There, The Doctor turned and handed Martha his Psychic paper.

"You'll need that," he said. "And, hit me."

"Hit you?" Martha asked, pocketing the paper.

"Yup, right here," he pointed to the left side of his chest. "I'll tell them my heart moved." Martha stared at him.

"Couldn't you just list some symptoms?" she asked.

"Nope," he explained. "There's a specific doctor I need." Martha sighed and glanced up and down the street before proceeding to hit The Doctor very hard on the chest.

"How do you know all this?" Martha asked between hits.

"Remember that thing I said I saw?" The Doctor replied through groans of pain, as they both successfully ignored the looks of the passers-by. Martha nodded. "This is where it landed."

Martha hit him one more time.

"Couldn't you use the sonic screwdriver for this?" she asked. The Doctor looked at her then pulled the device out of his pocket.

"I don't know," he said, examining it. "Welp, too late now. You did the job. Now, get in there and be an intern!"

"All right," Martha said, raising an eyebrow. She started into the building, but The Doctor grabbed her arm.

"Doctor House," he said as he moved sluggishly towards the door. "Make sure you work with Doctor House… how do you function with one heart?"

.-.-.-.

"It's Tuesday," Chase said as Cameron walked into the conference room. She stared at him for a second and then nodded.

"Yes, it is, and we should go out tonight," she said.

"What?"

"We should go out tonight," she repeated as she sat down across from him. "On a date. A real date."

"All right," he said. "I'm game."

.-.-.-.

"House," Cuddy called down the hall. The man tried to quicken his pace as he walked towards the elevators, but his leg complicated that strategy. She caught up to him quickly and, aggravatingly, blocked his only escape route.

"You have an intern and a patient," she said, motioning for someone behind House to come into view. A nice looking young woman stepped around House, a bright smile on her face. House groaned.

"But Ma, can't one of the other kids do it?" he whined. The intern raised an eyebrow at him and her smile changed to one of amusement. "What's so funny?"

"Nothing," she said quickly.

"You're lying," House said and he turned to head to the Clinic. The intern kept a steady pace with him, the amused smile still gracing her lips.

.-.-.-.

"What're you in here for?" The Doctor asked the man seated next to him. The man pointed to a woman sitting next to him who was writing.

"She thinks the Jersey Devil bit her," he said. The Doctor nodded and returned to surveying the waiting room. He tapped his feet on the floor and his fingers on his thighs, ignoring the glares being shot at him by the other patients. Eventually, he returned his attention to the man next to him.

"You're Jack Harkness," he said, the man stared at him. "Oh, sorry, Captain Jack Harkness."

"And you are?" the man asked. The Doctor leaned in to whisper in his ear.

"The Doctor, but call me Mr. Smith," he said, just as a Nurse called out "Mr. Smith, Exam room one." He stood up and, with a wink at Jack, headed off towards the Exam room. Jack looked from his companion to The Doctor's retreating back, and then stood up.

"Sorry," he mumbled to his companion as he hurriedly caught up with The Doctor.