THE STARS GO OUT, ONE BY ONE! It's the penultimate part of 'The
Hyperion War', and things are looking bad for the Doctor and Clara!
With the returning Hyperions having laid waste to whole portions of
the Earth, the Doctor attempts to regain the initiative by moving the
battleground into space, aboard the Hyperions orbital armada... But
these ancient solar entities are building a superweapon around the
sun - and eternal darkness could be the result!