At 6:30 BST/1:30 US EST, the trio released "The Zygon Isolation", inviting viewers to join Osgood (Oliver) for a special Zoom meeting of some serious consequence Here's the declassified intel you'll need heading into this afternoon/evening's event:
The next Doctor Who Lockdown global rewatch will be "Invasion of the Zygons" and "Inversion of the Zygons", image[...]