Doctor Who and Ender's Game series
Crossovers
Last Stand » by StarSpiliter
Ender receives a call to return to battle school. Clara and Doctor get lost in space and are saved by mysterious woman. Loki builds an army to take over space. Alai and Petra are sent to space with a mission when they discover something unusual. Strangers, whose destiny will soon come together when they start facing the same enemy...K, English, Sci-Fi & Fantasy, chapters: 2, words: 4k+, favs: 1, updated: 4/16/2015 published: 3/24/2015, 11th Doctor, Clara O., Ender W., Petra A.
10 Thou Traveler Unknown » by Dearheart
Long ago, in the aftermath of an impossible and bloody victory, a stranger in a blue box helped Ender Wiggin find his feet again. Now Ender is Andrew, centuries from home with secrets under his bed, and it is his turn to put the pieces of his war-torn old (new?) friend back together. (Time is so confusing.) Angst, character parallels, and some cool stuff about Gallifreyan biology.K+, English, Angst & Hurt/Comfort, chapters: 2, words: 2k+, favs: 16, follows: 24, updated: 1/21/2015 published: 9/14/2014, 9th Doctor, 10th Doctor, Ender W., Valentine W.
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Origins by Miranda Tam
Ender traveled to another planet. He named it Gallifrey. Spoilers for up to Xenocide, ignores everything past that.K+, English, Sci-Fi, words: 669, favs: 27, follows: 10, 12/9/2011