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 features actress Katy Manning reprising her role as Jo Grant for the first time since the 1973 Doctor Who serial The Green Death and a guest appearance by Matt Smith—Doctor Who's lead actor from 2010 to 2013—as the Eleventh Doctor. In the episode, Tia Karim, a rogue member of UNIT allies with members of the Shansheeth alien race to lure Sarah Jane and Jo into a trap so they can access the Doctor's time machine the TARDIS and change history and Karim can leave Earth, with the cover story of the Doctor's funeral. 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. Source: Wikipedia (en)