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
Planet of the Ood Planet of the Ood "Planet of the Ood" is the third episode of the fourth series of British science fiction television series "Doctor Who". It was broadcast on BBC One on 19 April 2008. It features the return of the Ood, who appeared in the second series episodes "The Impossible Planet" and "The Satan Pit". The episode takes place in the year 4126 on the Ood-Sphere, the titular planet of the episode. The Doctor (David Tennant) and his companion Donna Noble (Catherine Tate) investigate Ood Operations, a company that is selling the Ood as a servant race, to discover the