Heart of Steel: Part 2
- Episode aired May 31, 2013
With the aid of a new ally, the Sixth Doctor attempts to thwart the Cybermen's invasion plans. Soon, however, the Sixth Doctor becomes a hunted man, targeted for death.With the aid of a new ally, the Sixth Doctor attempts to thwart the Cybermen's invasion plans. Soon, however, the Sixth Doctor becomes a hunted man, targeted for death.With the aid of a new ally, the Sixth Doctor attempts to thwart the Cybermen's invasion plans. Soon, however, the Sixth Doctor becomes a hunted man, targeted for death.