"EVERY CITIZEN WILL RECEIVE A FREE UPGRADE. YOU WILL BECOME LIKE US." Ten years ago, Apple released the iPhone, a revolutionary device that changed our world forever. Now they are working on something even bigger - a secret project to reinvent the human body. But the Doctor has seen it all before! On a parallel Earth, the biggest company in the world abused its market dominance and must-have devices, in a secret plot to convert millions of customers into mindless Cybermen. So when Bill Potts's 'AirPods' begin to malfunction, the Doctor knows Apple is up to something. Together they must find out, before it's too late to stop it. How much longer before everyone's iPhones instruct them to march to the nearest Apple Store for the ultimate 'upgrade'? And what will it cost them?
4 parts