Following on from the events of The Haunting of Villa Diodati, the Lone Cybermen has what it wants and now it’s down to the Thirteenth Doctor (Jodie Whittaker), Yaz Khan (Mandip Gill), Ryan Sinclair (Tosin Cole), and Graham O’Brien (Bradley Walsh) to stop the Cyberiad from returning en masse to decimate humanity…

Ascension of the Cybermen, the first episode of a two-part finale of Doctor Who Series 12, is written by Chris Chibnall and directed by Jamie Magnus Stone. Here’s the synopsis:

In the aftermath of the Great CyberWar, the Doctor and her friends arrive in the far future to face a brutal battle across the farthest reaches of space to protect the last of the human race from the last remnants of the deadly Cybermen. But in the face of such a relentless enemy, has she put her best friends at risk? What terrors lie hiding in the depths of space, and what is Ko Sharmus?

Patrick O’Kane returns as Ashad, the Lone Cybermen, and is joined by Julie Graham as Ravio, Rhiannon Clements as Bescot, Branwell Donaghey as Patrick, Alex Austin as Yedlarmi, Matt Carver as Ethan, Steve Toussaint as Feekat, Evan McCabe as Brenden, Coalyn Byrne as a Sergeant, Orla O’Rourke as Meg, Andrew Macklin as Michael, and Ian McElhinney in an undisclosed role.

Ascension of the Cybermen will air on 23rd February at 7:10pm on BBC1 and 8:00pm on BBC America.