Eye-patches, a yo-yo, Game Of Thrones and Benny Hill.
Here are the geeky bits and pieces we noticed in Doctor Who’s The Girl Who Died… Later, one of the eleventh Doctors sonics was bitten in half by a sky shark inA Christmas Carol.
Clarkes Third Law was also explicitly referenced in 1988 storyBattlefield.
The Doctor reads from his 2000 Year Diary.
A 900 Year Diary was briefly glimpsed within the seventh Doctors TARDIS in the 1996 TV Movie.
The Doctor explains to Clara that Ashildr may now be immortal, barring accidents.
The second Doctor uses the same caveat when describing his own people in 1969sThe War Games.
And the Doctors line Time will tell.
is lifted directly from 1988sRemembrance Of The Daleks.
Clara complains to the Doctor You never tell me the rules.
An aged eleventh Doctor famously shouted this at the Daleks shortly before regenerating inThe Time Of The Doctor.
Here, as inInto The Dalek, Clara tells the Doctor that he is her hobby.
The Doctor hacks Odins teleport so you can hasten his departure.
For the second week in a row, the Doctor talks about changing time and the ripples it creates.
It was revealed in spin-off seriesTorchwoodthat this had, in fact, made him immortal.
The ten-part epic that followed explored, amongst other things, the consequences of this decision.
The Doctor goes out of his way to point out that Ashildr is now a hybrid.
Davros assumed this meant the Daleks and the Time Lords; could he have been wrong…?
