The unbeatable Toph Beifong, who helped stop a hundred year war, who invented metal bending, who implemented the most elite police force the world had ever seen, was bored of her mundane life full of deskwork and petty criminals. When a series of unusual events happen a stranger from beyond will pull her into an adventure across time.(Sad Boy in a Tree-HousePt2)(Stand-alone story)

The Doctor and the Avatar Book 1: As the Doctor and his companions try to find a way back to 1963, they land on a world where the four elements are bendable. But after making some new friends, the travelers must team up with another gang to save a new friend and start to end a century of oppression.

Aang, terrified of facing the Fire Lord, is plagued by nightmares and hallucinations. Unable to sleep, he receives an unexpected visit from an old friend...

Toph leaves her friends during the events of The Chase, but she comes across another lost soul searching for someone.

The Eleventh Doctor tells Clara an important story, about two friends, and how their friendship came to a horrible end.

Formerly titled What is Love. The Master is lonely, while Azula is trying to figure out what love is. For them to find happiness together, they'll first have to decide not to kill each other. Azula/Master shipping, with a PG-13 rating for later chapters.

It's been said that anger turned sideways is Bumi. In his grief over losing Aang, Bumi's reckless behavior increases fourfold, resulting in repeated destruction of various sections of Omashu. But when a race of reptilian people are awakened beneath the city, it's up to Bumi and an oddly eccentric friend with a ridiculously long scarf to save the day.

Jeong Jeong's desertion marked the beginning of his biggest adventures. Not the least of which is the time he ended up miles from any open sea, in the middle of the desert. Of course, that was really the fault of the strange, colorfully-dressed man in his company (not that the latter would ever admit to it). Together they discover Wan Shi Tong's library, and inside a grave threat.

The Gaang are in a spot of trouble when a strange man appears to lend a hand. The last Airbender and the last Time Lord work together to save the world.

The Doctor meets Aang. Please note that there are Spoilers for BOTH Doctor Who as well as Avatar: The Last Airbender. Starts at literly the second to last scene in the Avatar series, and with 11, but before Rory.

When the Doctor goes to the world of Avatar, they find out that Katara's missing and try help Aang to find her. But when Zuko's gone bad, and the Gaang have no idea why, it's up to the Doctor to solve this mystery. Read & Review please! This is my first attempt at a Crossover! Changes have been made, to the first and second chapter improving it! Kyoshi xx

History tends to repeat itself, especially when a blind girl meets an old traveling man in the woods. One-shot.

Zuko needed a break; Katara needed an adventure. The Doctor needed more friends before he died. Pre-Impossible Astronaut and Post-Hundred Years War; pairings include Zutara

Rose is horrified when she finds herself trapped ina strange world after her DimensionCannon breaks. Now she has to rely ona bunch of kids to help her, stuck in the middle ofa war and totally confused. But she wasn't the only one to come through. The Doctor crashes into a parallel universe to find a blind girl fighting off Weeping Angels. Can they help her find her friends in time?

A haiku.

The Avatar gang find themselves in a strange and frightening situation involving extra shadows, possessed civilians, and fish bones, all revolving around a little blue box with a odd little man living inside.

Koh, the Face Stealer, has unexpected company. One-shot. Written for the drabble prompt "Crossover".

Time is a fragile thing that must be protected. A task that isn't easily done when time has it's bad habit of changing. Even worse task when elemental beings forbid the Doctor his duty. Can the avatar join allience before balance is thrown to chaos?

The Doctor visits a world familiar to us, but different from any Rose has seen before. What perils await them in the world of Avatar: The Last Airbender?

During the winter after Kanna leaves him, Pakku finds himself fighting for his life against an ancient evil of the Arctic North - the windago. Fortunately, there's an Earth Kingdom madman along to help.

Two exiles cross paths in Ba Sing Se. Turlough/Zuko Rated M for slash, hopefully smexy action. I mean- how could you not?

Azula and Harold Saxon, and what might have been. Crossover with Doctor Who.

Doctor Who, as it would have aired in the Avatar universe. No, I have absolutely no intention of explaining this. Obviously crack.

During The Tales Of Ba Sing Se, Momo finds something unexpected in the house, something he's never seen before.