Doctor Who: The Blood Cell

An asteroid in the furthest reaches of space - the most secure prison for the most dangerous of criminals. The Governor is responsible for the worst fraudsters and the cruellest murderers. So he's certainly not impressed by the arrival of the man they're calling the most dangerous criminal in the quadrant. Or, as he prefers to be known, the Doctor. What does impress the Governor is the way the new prisoner immediately sets about trying to escape. And keeps trying. Finally, he sends for the Docto