Trapped in a world unlike any other he has seen, the Doctor faces the greatest challenge of his many lives. One final test. And he must face it alone.

If you took everything from him, betrayed him, trapped him, and broke both his hearts...how far might the Doctor go?

Earth has been invaded and Bill is living alone, an isolated figure surviving in occupied Britain. The Doctor is imprisoned and appears to be on the side of the enemy, flooding the airwaves with fake news. Bill and Nardole must embark on a deadly mission to rescue the Doctor and lead the resistance against the new regime, whatever the cost.

“God save the Queen” has been scrawled on the surface of Mars. What are Victorians doing on the home of the Ice Warriors? And what will they find beneath the Martian soil?

As the New Year begins, a terrifying evil is stirring from across the centuries of Earth’s history. As the Doctor, Ryan, Graham and Yaz return home, will they be able to overcome the threat to planet Earth?