Death of the Doctor is a two-part story of The Sarah Jane Adventures which was broadcast on CBBC on 25 and 26 October 2010. It is the third story of the fourth series. A cross-over story with Doctor Who, story involves UNIT informing a skeptical Sarah Jane Smith that The Doctor has allegedly been found dead. The episode features actress Katy Manning reprising her role as Jo Grant for the first time since The Green Death and a guest appearance by Matt Smith as the Eleventh Doctor. Exposition at the end of the episode provides updates on the lives of numerous companions from the "classic era" who had gone unaddressed in the revived era. This story was the last to feature Sarah Jane and the Doctor together on-screen.