And so the endless cruel tease continues with another minisode, The Last Day.
The chip can have the unfortunate side-effect of spasms of screeching agony.
Anyway, the brain chip can also cause nasty hallucinations.
We are then introduced to a more senior Time Lord soldier and things get even more ominous.
But it's okay, because protected as it is by 400 sky trenches, Arcadia is the safest place on Gallifrey.
Although, to be honest, these gruff, soldierish Time Lords are still taking a bit of getting used to.
But there's no time to worry about any of that because, look what's this this on the scanner?