Which means more spoilers. And more of the same spoiler. And a new monster.
Among other things.
And Jessica Raine is in the fourth episode which also stars Dougray Scott. And both looking rather 50s... or early 60s... although apparently she isn’t reprising her role from An Adventure In Time And Space as Verity Lambert.
Which would be a heck of a Celebrity Historical for the 50th anniversary show, now I think about it...