That would have been very derivative of the Eleventh Inspector episode ‘Cubed’, in which viewers were treated to a montage of the Inspector doing chores and other activities to kill an hour.

turn out to have very important purposes in being there, except for the Grosvenor Hotel, which was only included to connect the Inspector back to the Blitz.

was a callback to ‘The Beginning of the World’, in which the evil Sir Cassius uses an archaic record player to kick off the festivities as the first lumps of space dust that become the Earth collide.

a malevolent creature takes over control of the BOOTH.

As such, she returns to where the BOOTH sits deteriorating from lack of maintenance, as if expecting the Inspector would appear out of thin air, just as he disappeared.

yet the Inspector insists in ‘Confederacy of Afterlife’ that she’s fully human.

HieroRelm Corp. from ‘The Fulsome Adult’, the 11th Inspector’s favourite snack (coffee and custard creams), talking to an Associate who’s just died (as in ‘Hell Turned’), and the crusaders from ‘The Space of the Lions’.

mainly as a callback to when the BOOTH’s prop was improperly stored and damaged during the Seventh Inspector’s run.