Series 4 (SJA)

Series 4 of The Sarah Jane Adventures is expected to air on CBBC in the autumn of 2010. According to Doctor Who Magazine, pre-production was under way as early as November 2009. On 4 March 2010, the BBC officially announced that production had been commissioned, with filming expected to begin by the end of March. (The same announcement also confirmed that a 5th series for 2011 had also been commissioned.

The 4th season will see the return of all the core cast members (though the 4 March 2010 announcement did not indicate whether K-9 would appear, K-9 was seen on set when filming began) for a 12-episode series.

For the new series, Brian Minchin joins as producer, with Phil Ford as co-producer. Russell T Davies remains as executive producer along with Nikki Wilson.

Primary Cast

 * Sarah Jane Smith - Elisabeth Sladen
 * Luke Smith - Tommy Knight
 * Rani Chandra - Anjli Mohindra
 * Clyde Langer - Daniel Anthony
 * Mr. Smith - Alexander Armstrong

Confirmed Guest Cast

 * Eleventh Doctor - Matt Smith
 * Jo Grant - Katy Manning

Aliens and Enemies

 * Sarah Jane and her group will encounter new enemies, such as the Nightmare Man and the Shansheeth. (DWM Issue 419)
 * The Shansheeth are "vulture undertakers". The Nightmare Man is part of a big story for Luke.
 * Androvax will return.
 * The Slitheen or Blathereen will make a small appearance.

Rumours

 * One story will be a sequel to The Hand of Fear.
 * The Weeping Angels will appear.
 * The Trickster will return.
 * Gareth Roberts may write an hour long special.
 * On-set videos show Luke saying goodbye to Sarah Jane and the rest of the cast, making it likely that he will leave in this series to be replaced by the new character of Series 5.