On which planet did Davros create the Daleks ?
Emperor of the Daleks of Daak, who soon captures the Doctor and Benny, as well as his old teammates, and returns all of them to the "Earth Delegates", who reveal themselves as Daleks and capture all of them. The Doctor agrees to take the Daleks to the planet where he has hidden Davros, but both groups discover that the world was Spiridon. Davros has activated the long dormant Dalek army hidden there, converting them to the white and gold colour scheme applied to the Daleks he created on the planet Necros in Revelation of the Daleks. Davros leads a successful coup d'état on Skaro,
Davros the planet Necros and beginning Davros' trial. At the end of "Davros Mission", he turns the tables on the Daleks, forcing them to do his bidding. The Big Finish miniseries I, Davros, also features trial scenes, but mostly explores his early life. In those four stories, his journey is seen from his boyhood, to just before "Genesis of the Daleks". "The Curse of Davros" begins with Davros and the Daleks working together to try and alter the outcome of the Battle of Waterloo using technology that Davros has created that allows him to swap peoples' minds, with matters becoming more