Time Ram shakes the magic 8-ball and finds a Pyramid at the End of the World, but starring Christopher Eccleston instead of Peter Capaldi. But how can this be, when Extremis took place during the Jon Pertwee era? Frankly, we don't know, maybe all will become clear. Meanwhile, there's Rose on steroids, fun marines and secretary general Wigner to enjoy! Plus, we really must have a chat about lab safety protocols.