The real reason Gordon is a silent protagonist. Rated T for language

There is a theory which states that if ever anyone were to discover exactly what the Universe is for and why it is here, it will instantly disappear. On the Fields of Trenzalore, it's only a matter of time before this happens.

Set between Hound of Baskerville and Reichenbach Fall. Sherlock's never had a friend before, so some research may be required. Even if it takes the form of colourful, idiotic ponies. Chapter one references episodes 1, 2, 4, 5, 6, 10, 14, 20, and 24 of season 1 of My Little Pony: Friendship is Magic, and chapter two references episodes 7, 14, and 22 of season 2.

Once, 29 years ago, a frightened and lonely little boy met a Strange Doctor in his Father's wine cellar and made sure he never left. The two find themselves in an unlikely apprenticeship and friendship. Then, one day the Doctor disappeared and 19 years later shows up in the living room of 221B Baker Street. Slight Johnlock, Eventual Mystrade and Captain Jack attracted to everyo

Amy is obsessed with Harry Potter and has been since she was small. The Doctor finds out and promises her Hogwarts is real. Proving it, he takes her there and Amy is thrown into the magical world, before an old enemy returns to haunt them...

Sherlock gets a new case that he can't solve without a certain time-traveling alien's help. He doesn't trust the Doctor though; it probably doesn't help that the psychic paper listed Mycroft as a reference... Basic crossover with 11th, Sherlock, John, and the Ponds. No slash or anything but rated T for gore and slight language.

Meteors, signals, apologies, and that tricky little thing called humanity- four years after the events of Portal II, Wheatley's been handed a second chance, but it's not going to be plain sailing…