If you haven't, please reread chapters six and seven they are rewrites.

Title: Shadow Play
Author: Cindy Ryan
Timeline: SG-1,SGA and Supernatural are AU
Notes and summary: See chapter one

"John, Rodney, what do we have?" Elizabeth asked as she entered the small room.

"Rodney found a makeshift control panel that's attached to a dormant power source," Sheppard replied, motioning to where Atlantis' chief scientist had his head buried in the lower part of a wall just behind the Stargate.

"Vision Boy and his brother must've depleted whatever little bit of ZPM there was," Rodney added as he backed out of the panel and turned to face Weir. "There's no DHD that I can find."

Weir walked around the leaning oblong gate. "So the Winchesters found the dialer?"

"Possibly," Rodney acknowledged as he stood, brushing dust off his pants. "I'll know more once I analyze some of these crystals."

"There's not a lot else in here except mountains of dust," Sheppard said as he wiped his nose with the back of his left hand.

Weir smiled. "At least we found how the Winchesters got here."

Sheppard nodded. "There must be some kind of automatic device that opened the wall. It's the only way I can see that they ended up where we found them."

Weir glanced at her watch. "Dr. Jackson should be arriving shortly. I'm sure he'd be interested in looking at this as well."

An anxious gateroom tech's voice broke over Weir's earpiece.

"Lieutenant Hansen to Dr. Weir."

"Go ahead, Lieutenant."

"Our new friends are back. They've entered orbit and are not responding to hails."

"Never dull around here," John muttered.

"Keep trying to contact them," Weir ordered. "I'm on my way."

Sheppard glanced back at McKay. "Rodney, you okay down here by yourself?"

McKay didn't look up from his handheld scanner as he knelt by the control panel. "I'm not three… nor afraid of the dark. Go."

Sheppard followed Weir out of the room and into the hall, wondering if this expedition was ever going to catch a break.

Daniel had just emerged from Atlantis' Stargate when the floor underneath him buckled and the walls around him shuddered. Long-honed instincts from his years on SG-1 told Daniel to drop to the floor and roll before he even knew what it was.

Daniel rose to his feet in a crouch near the far wall. The walls shuddered once again and the all too familiar sound of a weapon's blast could be heard.

"Dr. Jackson, are you alright?" Weir called from the control room.

Daniel followed the sound of her voice and looked up. "Yeah."

"Sorry for the rough arrival," Weir apologized as she kept her gaze on the computer screens.

"Shield strength dropping… at forty percent," Hansen reported as her fingers flew across the keyboard.

Daniel made his way toward the stairs leading to the control room. He was halfway up when another blast shook the room. A piece of ceiling tile broke off and landed at the base of the stairway, causing Daniel to stumble but stay on his feet.

Once Daniel reached the control room he moved to stand next to Weir and Sheppard.

"Dr. Jackson, welcome to Atlantis. Good to see you." Sheppard greeted with a grin.

"Thanks. Is it always this exciting around here?"

"Unfortunately, yes." Weir replied as she watched on the radar as another ship joined the others in orbit. "If you have any idea who our new friends are… feel free to jump in."

Daniel leaned forward and studied the ships. "I don't recognize them. Not responding to hails, I take it?"

"No, and this is their second attack."

"Not being very neighborly," Daniel murmured just as another blast hit the city.

Sheppard glanced away from the screen as his radio crackled to life.

"McKay to Sheppard."

"Go ahead."

"Are our friends back?"

"What gave you the first clue?" Sheppard asked with a grim smile. "Yeah, not responding to hails either."

"Big surprise. Let me know if you need any help."

"Will do. Sheppard out."

Hitting the ground jarred Dean back to consciousness. As he forced his eyes open, he was just in time to see the demon ghoul dive at him like a hawk.

Just as the creature was almost on him, Dean put all his strength behind a right hook. The punch landed square on the ghoul's midsection.

He was rewarded with another electrical shock. As he regained his breath, the ghoul lashed out once more. Dean had gotten to his knees just as the creature's tentacle arm made a move for Dean's neck. He put his arm up to block it but wasn't fast enough. He winced as the tentacle arm turned razor sharp and sliced across the middle of his neck.

Dean felt the blood start to flow but ignored it. Managing to grab the creature's arm before it retracted, Dean gripped tighter as he felt it slice into his palm. Dean rose to his feet and started to swing the ghoul like a tether ball.

He gripped the tentacle-arm with both hands and, with a massive swing, slammed the ghoul to the ground. The creature screamed and another flash of red flowed through it. Dean dropped the appendage just in time and placed a solid kick to the ghoul's midsection.

The ghoul tried to fly up but Dean landed another punch and it plummeted to the ground. Its eyes dimmed and its body flashed once before disappearing.

The floor of the infirmary vibrated beneath Sam's feet, causing him to look up from the laptop. Listening intently, Sam cocked his head. Moments later, faint weapons blasts could be heard.

Sam was just about to go investigate when Carson entered the room.

"Doctor, is the city under attack again?"

Carson nodded grimly as he moved to check Dean's vitals. "Aye, but I'm sure Dr. Weir has everything well in hand. Nothing for you to worry about."

"What is it?" Sam asked worriedly as Beckett paused by Dean's right arm.

"There's a large cut on your brother's palm that wasn't there during my initial examination," Carson explained as he examined Dean. "There's also several smaller cuts on his arms and a larger one on his right palm."

Sam frowned and moved around the bed to stand by Beckett. Just as Sam started to examine the wounds for himself they changed from fresh angry red to faded, reddish-brown scars.

"Bloody hell," Beckett murmured. He'd seen a lot of things since coming to Atlantis. This one, however, he didn't have an explanation for.

As the pair continued to watch Dean another wound appeared. This time across Dean's throat.

When Beckett turned to look at the youth next to him, he knew without a doubt that Sam knew exactly what was happening.

The control room buckled from another weapon's hit.

"A little too close," Sheppard commented as he gripped the back of a chair to steady himself.

"Still not responding to hails," Hansen reported. "Shield strength at twenty-five percent."

Weir glanced at Sheppard. "Did the weapon's platform survive the last Wraith attack?"

John thought for a moment then nodded. "Yeah, it took a couple hits but Rodney said it was operational."

"Good enough," Weir acknowledged as she turned back to the young lieutenant. "Lieutenant Hansen, power up the weapon's platform. Let's show them we're not just dtarget practice."

"Aye. Platform ready."

"Fire."

"Weapons firing." Hansen confirmed.

Another round of weapons fire hit the city.

"Shield's almost gone."Hansen reported. "The ship's sustained minimal damage."

"Return fire, target their engines," Weir ordered as she activated her radio. "Rodney, can you join us? I need all power possible to the shield."

"On my way," McKay replied