The 3rd age has long ended, its history transforming into legend and myth, but because evil was defeated once does not mean that it was ended forever. In the distant future a light springs forth out of darkness, and one of the same beings sent to guide Arda to peace have come again, to prepare the way for evil's downfall, and support those chosen of the Valar in this new war.

At a young age Harry met someone called the Doctor, he became his friend. Over the course of his school life the Doctor returned, in each of his incarnations. Leaving Hogwarts Harry continues to have adventures, visited upon by the Doctor's influences and further incarnations.

"We've received intel that suggests the Nazis are going to send agents to capture the Pandorica" Agent Carter explained.

The Doctor and Jack have found themselves to be 11. Unfortunately, there is no easy fix, so the Doctor decides they should attend Hogwarts until they can find a way to return to their proper ages. Here, they make friends, confuse professors, and desperately try to avoid disturbing fixed points in time. Updates on a monthly basis.

What happens when the Nexus takes Jim Kirk and deposits him on the shores of Westeros? Watch as a powerful new note is added to the song of fire and ice. Completely AU, Featuring all your favorite characters and one character from the 24th century. If you like AU then hang on because this one is a doozy. GOT x Star Trek Crossover

AU. Lily Potter prepares to make her final last stand against Voldemort... only for a mysterious Doctor to appear. (Full Fathom Five universe)

Gallifrey is his home. It's where he's grown up, where he's studied, where his brother has also. Harry Potter is a Time Lord of Gallifrey, one with fascinating powers that Pythia would have recognised well. Now he must work out who he is when the universe is open to him.

A period of Darkness has befallen Middle Earth. Sauron has risen once again, intending to destroy the Free Peoples of Middle Earth and set himself up as supreme Lord and Ruler; against his immense army there is no hope. With these insurmountable odds, Olympus is forced to send aid, and Percy wakes up in Middle Earth with only one objective: topple the Dark Lord from his throne.

Celebrimbor was trapped between Life and Death. Yet he found a chance to redeem himself and perhaps change the world once again, this time for the better. Will he manage it when he remembers his past almost too late?

A part-time companion to the Doctor falls through a rift in space/time, her scientific mind is challenged by the existence of magic and met with adventures completely different from what she has encountered before.

Arya Stark trains to be No One. But her plans for revenge are disrupted when she finds herself in an unknown land, which itself is on the verge of war. In other words, what will happen when Arya joins the Fellowship of the Ring with Nymeria by her side?

On August 1st, 2017, a giant ship suddenly appears in the skies above New York and mercilessly destroys several buildings, including Stark Tower. The Avengers must unite in order defeat this new villain from the future before he manages to conquer Earth. In July, 1944, Amy Williams-Pond looks up at the invisible crack in the sky and fears the worst.

Not Not-Human Book Two: Newly minted Hogwarts professors Rose and the Doctor do their best to help their son navigate his decidedly odd circumstances. Armed with a sonic scanner, his magic, his closest friends, and the support of his family, Harry faces his hardest trial, yet.

Out in the Universe is a bright blue box, holder of a fantastical realm. Inhabiting this box is a mad man who calls himself the Doctor, his son, the Savior of the Wizarding World aka Harry Potter, an immortal man from the 51st century who affects a Captain in front of his name, Jack Harkness, and a pink and yellow once-human who is simply Rose Tyler. What was Dumbledore thinking?

Time Lords are forbidden to become Jedi, mainly because any who do become extremely powerful in the force. When the Time Lords realise that the galaxy's timeline is in danger however, they send a young boy to train as a Jedi and carry out a mission: keep the timeline the same at all costs. Hope you all enjoy.

Being an account of the Green Witch, the Fallen Star, known also as Captain Jade Hasegawa, Federal Worlds Starfleet Ranger, who crash-landed in the North of Westeros in the year 298 AC and what she did there afterwards. Feudal lords, ancient aliens, terrible threats and snarky heroics: all in a day's work for the Starfleet Rangers.

After the battle for Hogwarts Ginny runs away from the pain and the horrors. She doesn't stop and doesn't look back until she stumbles into a unfamiliar place. Follow her as she tries to deal with her past and make choices for the future. Live with her as she meets people in this new world and fights for their friendship. Follows movie script, Legolas/Ginny romance

Fresh from his latest regeneration The Doctor and Rose arrive in Godric's Hollow where they find the youngest and newest member of the Tardis crew.

Cold-case disappearances, gruesome murders, and unexplainable disasters, and a spate of terrorist attacks rocked the UK only to end with an explosion in a tiny village. The Doctor and Rose Tyler followed the trail of the invisible war for years, but never thought their search would lead to a baby with a lightning bolt scar.

In the world of Percy Jackson the Fates spin the lives of both men and gods. Yet this is not the way that was intended in the beginning. The Gift given to the race of Men must return to Earth as Erú Ilúvatar decreed at the dawn of time. The worlds of Arda and Earth will clash as everything once certain in the Second Titain War, and the world itself, is changed forever.

Every stories have some form of truth within them, as do every lies. Myths are mysteries meant to be discovered, or fade through time, to be forgotten. But one supposedly myth have raised a wizard as his own. Is it true or only a myth?

Most worlds are only parted by a line of fabric as thin and delicate as silk. Many cracks and passages exist between the different worlds, so one has to wonder why the Pevensies never found their way into this one. Perhaps they didn't know you had to die?