Davros "Revelation of the Daleks", and has the scientist trying to manipulate the galaxy's economy into a war footing similar to Skaro's. The Sixth Doctor manages to defeat his plans, and Davros is last heard when his ship explodes, an event obliquely mentioned in "Revelation". However the Doctor thinks he has survived. Davros also mentions he will work on a plan to combat famine, tying into Revelation of the Daleks. "The Davros Mission" is an original audio adventure (without the Doctor) available on the Complete Davros Collection DVD box set. It takes place directly after the television story "Revelation", while leaving
BBC Television ratings it is often eventually repositioned to BBC One). The different remit of BBC2 allowed its first controller, Sir David Attenborough to commission the first heavyweight documentaries and documentary series such as "Civilisation", "The Ascent of Man" and "Horizon". David Attenborough was later granted sabbatical leave from his job as Controller to work with the BBC Natural History Unit which had existed since the 1950s. This unit is now famed throughout the world for producing high quality programmes with Attenborough such as "Life on Earth", "The Private Life of Plants", "The Blue Planet", "The Life of Mammals", "Planet Earth" and