Prequel

The Prequels were a series of prologues to certain episodes of Doctor Who, series six. They were released by the BBC onto their official site. They were similar to the Tardisodes produced for series two.

Prequels

 * The prequel to The Impossible Astronaut.
 * The prequel to The Curse of the Black Spot.
 * The prequel to A Good Man Goes to War.