10. Original Sin

A warning from a dying alien leads the Doctor and Bernice to Earth. However Earth in this time period is not a good place to be.

The murder rate is rising, but the killers seem to be acting without motive. The TARDIS crew's investigations lead them to a military training planet, a prison inside a star, and a terrifying old foe.

And all the time they are being pursued - by two dogged Adjudicators who've stumbled onto a terrifying conspiracy. Chris Cwej and Roz Forrester.

Things will never be the same again.

9 out of 37 (24.3%) raters say this story requires a previous story.