Cybermen ambush The Doctor and Master
Cybermen prepare timelord interrogation, and The Master and The Doctor are forced to work together.

The Doctors Reunite
The Doctors battle for dominance and intellectual high-ground whilst the Master seeks immortality.

Seeking Immortality
Generations of the Doctor work together to try to defeat their enemy in the Games of Ratalon. But will they all succomb to a nightmarish trick to lure them all into a permanent life of stone?

Credit: BBC Worldwide