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Timeline for 3556
36th century

3550 • 3560 • 3562
In 3556, the Fifth Doctor, Tegan, Nyssa and Turlough were dragged to the planet Valderon. Nyssa was reunited with her son Adric, and the two worked together to create a cure and vaccine to Richter's Syndrome. (AUDIO: Prisoners of Fate)
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