Doctor Who - The Apocalypse Element

On the planet Archetryx, the Doctor and Evelyn face a looming threat from a Dalek assault squad, sparking a complex mystery surrounding the long-missing President Romana. As they delve into the secrets of an ancient element the Daleks are trying to synthesize, they uncover deep connections to Gallifrey and unsettling truths hidden within the planet's gravity wells. This gripping tale, written by Stephen Cole and directed by Nicholas Briggs, explores the lengths to which the Doctor's oldest enemies will go if they cannot achieve domination.