Season 26 – Production code 15C63.
Written by Robin-Mary Manseth.
Far in the future, far beyond the sphere of the Time Lords, the universe lies dying. Civilizations have risen and fallen, stars born and died, eras come and gone. And the last remaining band of humans struggle to survive on a hostile planet, awaiting with dread the coming final confrontation against an enemy they have no hope of defeating.
Life hangs in the balance. And the Doctor is forbidden to interfere.
Running time 89 minutes