The Silurian plague starts to kill

Tags: Third Doctor, Liz Shaw, Silurians

The Silurians, episode 6
7 March 1970

Despite brokering a peace deal between Humans and Silurians, the impetuous younger Silurian defies his leader and releases a virus onto the surface of the planet. As the Doctor and Liz furiously search for a cure, the plague begins to claims all those who have come in contact with it…

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