Two different races from opposite ends of Time - so how can they co-exist?
In their search for the final segment of the Key to Time, the Doctor and Amy become caught in the crossfire. As the end of everything approaches, old friends and enemies reveal themselves and the final battle between the forces of Chaos and Order ignites…
Written By: Peter Anghelides
Directed By: Lisa Bowerman
Peter Davison (The Doctor), Ciara Janson (Amy), Laura Doddington (Zara), Lalla Ward (Madam President), David Troughton (The Black Guardian), Ben Jones(Captain Pargrave), Toby Longworth (Commander Hectocot), Cate Hamer (The Voice)