The Doctor and Leela have been cloned and miniaturised and injected into the Doctor's body. There they must fight the virus on a microscopic level before time runs out.
This data is drawn from the Radio Times magazine between 1923 and 2009. It shows what was scheduled to be broadcast, meaning it was subject to change and may not be accurate. More
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This data is drawn from the data stream that informs BBC's iPlayer and Sounds. The information shows what was scheduled to be broadcast, meaning it was/is subject to change and may not be accurate. More