Revenge Of The Bannermen

This is the fourth story from Season 18.
==Story==
The Bannermen were defeated by the Doctor a long time ago but return wanting blood for their loss in finances, success and being feared by the universe. Half a million men vs one man and his granddaughter. What are the odds of this being a clean battle for the Doctor?
==Cast==
The Doctor - Adrian LesterSusan - Lydia West
==Behind The Scenes==
This episode would be written by Sally Wainwright.