The Doctor and his companion Rose Tyler, have travelled along journey into the tomb of Xenomorphs and Predator as they thought in the battle for centuries ago.

After finding a batch of eggs on a hit and run mission, the Daleks try and figure out what is latched to one of their own. And They learn something that hid under their wrath.

The Doctor's longtime companion, a Gallifreyan child, is kidnapped by the yautja. How would such impact the story? Crossover with "Predators" movie (2010), but no prior knowledge of Predators is necessary to read. Nova #2

The Valeyard has won. The Doctor is no more. Boarding the Sulaco, the Valeyard decides to give Weyland-Yutani what they want the most - Xenomorphs. Except what they get might not be what they had in mind... (He Jests at Scars...universe)

After learning of the threat of the Xenomorph, the alternate Doctor seeks to wipe it out... all of it. (Full Fathom Five universe)

The Tenth Doctor becomes involved in a scientific expedition to a mysterious pyramid on an island near Antarctica. Upon entering the ancient structure, however, the group discovers that the pyramid is occupied by not one, but two deadly alien races.

While assessing the dropship before going into stasis, Ellen Ripley encounters an unexpectedly familiar face.

The Doctors are steered off corse to the Nostrmo where they find a crew of 7 Doctor who crossed with the characters of the Alien/Predator Franchise just the humans though

When the Doctor and Ace accidentally arrive in the middle of the Battle of Stalingrad in 1942 they soon discover that soldiers aren't the only things stalking the ruins...

LV534. A small mining colony in a backwater system that hardly anyone bothers about. It is run by a small group of miners who are about to discover a nightmare buried in the winding rock caverns below. The Doctor. A 900 year old alien who travels in blue police box is about to discover that its not always the monsters you should be scared of...Darkness stalks the corridors...

The Tardis doesn't exactly organize it rooms like a normal home would. It's eccentric just like its owner, especially if you want anything to do with your head –such as a shaving kit or getting some tooth paste. Rory feels he's going to learn that lesson the hard way. Crack. One-shot.

The Doctor goes to investigate a distress signal from a stranded space crew, but gets more than he bargained for when he discovers the planet they've crashed on is infested with xenomorphs and a hunter species that views humans as fair game.

A war between two Predator clans have been escalating after the Black Super Predators started using Aliens for there training, and the Doctor is caught in the middle of it all. This is my third story in my multi Doctor Who Crossover series.

The Doctor visits a peaceful planet which is owned by the Predators who are using Time Lord technology to bring Prey to the planet. An ultimate hunting ground with histories greatest prey. With an all out war descending, whose side will the Doctor join?

The Doctor,Leela,and K-9 attempt to go for a little holiday,but instead find themselves mixed up with a hunting expedition for a rare jungle animal,as well as an attack by the galaxy's most vicious alien big game hunter-THE PREDATOR!