The Last Sontaran is the first story of Series 2 of The Sarah Jane Adventures and is a continuation of events (or a sequel) from Doctor Who two-part story "The Sontaran Strategem" and "The Poison Sky". The two-part story, The Last Sontaran, was broadcast on 29 September 2008; "Part One" as part of the CBBC slot on BBC One at 16:35; "Part Two" on the CBBC Channel at 17:15. This serial marks the departure of Maria Jackson, played by Yasmin Paige.