The BBC have confirmed that when The Sarah Jane Adventures returns for its fourth series this Autumn, Sarah Jane and the gang will be joined by two familiar Doctor Who characters. In a special two part adventure, written by previous Doctor Who executive producer Russell T Davies, Matt Smith will appear as the Doctor and Katy Manning will reprise her role as the Doctor’s previous companion Jo Grant. Katy Manning appeared in Doctor Who between Terror of the Autons and The Green Death alongside Jon Pertwee as the Third Doctor. The Sarah Jane Adventures will return for its fourth series this Autumn will twelve new episodes and more information regarding the Doctor’s and Jo Grant’s appearance can be found here.