Okay soo, I was watching Supernatural and when Dean mentioned that his dad was an Ex-Marine I got this idea for an NCIS/Supernatural X-over… let me know what you think.

Chapter 1: ~22 years ago~

Mary Winchester stood in the nursery of her 6 month old twins.

Samuel and Madeline Winchester were resting in their crib. Alerted my her older son laughing she turned towards the door to see her husband John Winchester carrying her son Dean Winchester.

-"Say Good Night to Sammy and Maddie" John whispered in his sons ear.

Dean leaned over the side of the crib kissed his brothers forehead,

-"'Night Sammy" then kissed his sisters

-"'Night Maddie"

~Later that night~

Mary had woken up to the sound of her babies making noise through the baby monitor.

She looked at the clock.

-"John it's your turn to feed them." Mary stated tiredly.

Receiving no response she looked over to her husband's side of the bed finding it empty.

She sighed, standing up and walking to Sam and Maddie's Nursery. She leaned against the door range and said,

-"Are they hungry, John?"

He didn't respond, just shushed her.

She turned, about to return to her to bed, when she saw the hallway light flickering. She went over to it and tapped it with her fingernail a few times until it stopped. As she was close to the stairs she saw an eerie light coming from downstairs. Curious, she started going downstairs. Half-way down she saw a sleeping figure in the reclining chair, who was very familiar to her.

-"John?" she asked herself before gasping in realization and running back to the nursery.

~Downstairs~

-"JOHN!" The terrified scream woke John up like a bucket of cold water.

-"Mary?" he yelled as he ran upstairs and into the nursery.

When he got there and saw nothing, he walked over to the crib to see if Sam and Maddie were okay.

-"Hey Sammy" John said softly and Baby Sam cooed at him.

Then a drop of blood landed on Sam's mouth, then next to his head.

John, not sure of what he seeing touched the drop. Soon another drop landed on the back of his hand.

He looked and fell to the floor in shock.

On the ceiling, wearing a terrified look on her face, with a stain of blood on her abdomen, was Mary.

-"Mary? Mary!" John yelled as the figure on the ceiling burst into flames.

-"Dad!" Dean yelled as he stood outside the nursery.

John took Sam and Maddie from the crib and ran over to Dean.

-"Take your brother and sister outside as fast as you can!"

Dean stood there for a minute.

-"Now Dean! Go!" and at that he ran outside as fast as he could, and waited for his father.

-"It's okay guys" he told the babies in his arms.

At that moment John came out and grabbed Dean, both holding onto Sam and Maddie and got further away from the house.

When the cops and ambulance arrived along with the fire department John sat next to the bed where his children were sleeping in the amublance