Sadly, this isnotone of the many ways of dying in space the Doctor is outlining for his class.
Also, all your bodily fluids will start to boil thanks to the vacuum.
(It almost makes me miss the infestation of nightmare bugs from last week.Almost.)

Credit: Des Willie/BBC America
It also makes the Doctor wistful for space, as Nardole cannily notes.
the Doctors theme tune), so he just comes along for the adventure.
Of course, it doesnt take them long to discover that zombies are huge part of the problem.

Simon Ridgeway/BBC America
To quote Nardole, Relax or die.
The Doctor gave her his helmet so shed survive, rendering him blind.
Only Bills suit straight up magnetizes its boots, preventing her from walking and anyone from lifting her.
And you will come through it.
And I will be on the other side.
But they must still get to the reactor room.
Once there, the Doctor shares his theory.
What if the suits and communications systems werent hacked?
What if that isnt a rescue ship on the way answering their distress call?
What if its theirreplacements?
Only thanks to his recent actions, theyve all become too expensive to really destroy.
This not only stops the zombies but restores Bill!
Unfortunately for Ivan, Ellie is gone.
Even though she and the rest of the zombie suits give the remaining group members their oxygen.
She leaves, allowing Nardole to begin berating the Doctor for taking this risk.
What if whoever is inside that vault finds out that he weakened himself like this?
Completely Nar-donewith the Doctor he asks the Time Lord to Look at him.
Only for Twelve to reveal, that despite all their healing tools on the TARDIS, hesstillblind.
Like Tennants Doctor before him, Capaldis Doc might trigger a regeneration for heal his eyes.
If Moffat wants us to feel extra sad that Peter Capaldi is leaving, hes succeeding.
This episode proved that Mackie can break hearts like the best of them.
He already lost the sonic screwdriver.
(Though might this bring back the sonicsunglasses?)
The result is at times literally heart-stopping as we see Bill have the closest brush with death yet.
(While also bringing up so many questions about the Doctors relationship with her mother.)
The Chasm Forge crew were able to overthrowtheirsystem.
He can just show up and make a run at help.