Disc is in excellent condition. Stock image.
The TARDIS lands on a space station orbiting the earth in the distant future. It’s seemingly deserted, but the Doctor, Sarah and Harry soon discover that they are not alone. Thousands of humans – the only survivors of the human race - are in cryogenic sleep, and while they’ve slept their Ark has been invaded. A parasitic insect race – the Wirrn – have taken control and threaten the very future of mankind…