Transmitted originally: 8 March 1975 to 12 April 1975.
Davros, obsessed by his creation gives it destructive powers and independent control. The Doctor helps to lead a revolt of Kaled scientists, horrified by Davros' insane vision. But Davros in his determination to preserve the Daleks, helps the Thals destroy his own people with a missile. Then he uses the Daleks, now fully operational to wipe out the Thal city and then to destroy the opposing Kaled scientists. With the help of some surviving Thals the Doctor manages to entomb Davros and the Daleks in their bunker. The Daleks turn on their creator, destroying him. The Doctor refuses to destroy the Daleks, believing that some good will eventually emerge. Using the Time Ring provided by the Time Lords, the Doctor and his companions leave Skaro. In the bunker the Daleks promise to reemerge and conquer the universe...
This was the first story to feature the character of Davros, who went
on to appear in every subsequent televised Dalek story.
In this story the Doctor's pockets contain a magnifying glass, the sonic screwdriver, his yo-yo, a pair of hancuffs, various lumps of brightly
coloured rock and an item described as 'an etheric beam locator'.
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