Starring: Peter Davison, Sarah Sutton

Written By: Nicholas Briggs

In the distant future, a Thal scientist must choose whether to betray his heritage, or see the universe destroyed. What is certain is that no matter where the Doctor turns, the Daleks, will be waiting for him. What could possibly be worse than that?

Starring: Lisa Bowerman

Written By: David Bailey

A vicious war is coming to a head, and the final movements are centred on the sailing ship Cassandra. Everything is going to plan, until the Cassandra gains an extra passenger ­ a shipwrecked archaeology professor called Bernice Summerfield...