Old prejudices die hard, especially between two immortals.

The Doctor returns to stop a time paradox from consuming the planet.

Six ponies. One Doctor. A universe to explore. (Sequel to The Emotional Illness)

How the changelings and their dark queen came to invade Equestria.

A thousand years is a very long time to live in regret.

A mysterious blue box may be the answer to Ponyville's latest problem.