“Something's happening with the spiders in this city.” The Doctor, Yaz, Graham and Ryan find their way back to Yorkshire - and Yaz's family - only to find something is stirring amidst the eight-legged arachnid population of Sheffield.

India, 1947. The Doctor and her friends arrive in the Punjab, as India is being torn apart. While Yaz attempts to discover her grandmother's hidden history, the Doctor discovers demons haunting the land. Who are they, and what do they want?

When intelligence agents around the world come under attack from alien forces, MI6 turns to the only person who can help- a certain Doctor and her companions. As they travel the globe in pursuit of answers, threats arrive from all sides, leaving Earth’s security resting on the team’s shoulders. But where will this planet-threatening conspiracy lead them?

In part two of this epic spy thriller, a terrifying plan to destroy humanity is about to reach fruition. Can the Doctor and her friends escape multiple traps and defeat a deadly alliance?

As Graham, Yaz and Ryan return home to see friends and family, they find themselves haunted by very different experiences. Who is the figure calling from beyond the stars for help, and why? And what are the fearsome Chagaskas terrorising Aleppo in 1380? To find the answers, Team TARDIS must embark on a mission which forces them to face their darkest fears.

'Time is beginning to run wild.' On a planet that shouldn’t exist, in the aftermath of apocalypse, the Doctor, Dan, Yaz and Vinder face a battle to survive.