307. 42
Martha and the Doctor race against time as the spaceship they are trapped on hurtles toward a sun, giving them 42 minutes to expose the ship's saboteurs.
• Sat, May 19, 2007
• Directed by Graeme Harper
• Written by: Chris Chibnall
• Cast: David Tennant (The Doctor). Freema Agyeman (Martha Jones). Michelle Collins (Kath McDonnell). Adjoa Andoh (Francine Jones). William Ash (Riley Vashtee). Anthony Flanagan (Orin Scannell). Matthew Chambers (Hal Korwin). Gary Powell (Dev Ashton). Vinette Robinson (Abi Lerner). Rebecca Oldfield (Erina Lessak). Elize du Toit (Sinister Woman).
308. Human Nature
Part 1 of 2. The Doctor becomes John Smith, a human schoolteacher, to hide from alien villains in 1913 England, with Martha assuming the role of maid and the Time Lord's caretaker. Jessica Hynes.
• Sat, May 26, 2007
• Directed by Charles Palmer
• Written by: Paul Cornell
• Cast: David Tennant (The Doctor/John Smith). Freema Agyeman (Martha Jones). Jessica Hynes (Joan Redfern). Rebekah Staton (Jenny). Thomas Sangster (Tim Latimer). Harry Lloyd (Baines). Tom Palmer (Hutchinson). Gerard Horan (Clark). Lauren Wilson (Lucy Cartwright). Pip Torrens (Rocastle). Matthew White (Phillips). Derek Smith (Doorman). Peter Bourke (Mr. Chambers).
309. The Family of Blood
Conclusion. War breaks out in 1913 as aliens hunt for the Doctor. Meanwhile, John Smith confronts evidence of his life as a Time Lord.
• Sat, Jun 2, 2007
• Directed by Charles Palmer
• Written by: Paul Cornell
• Cast: David Tennant (The Doctor/John Smith). Freema Agyeman (Martha Jones). Jessica Hynes (Joan Redfern). Rebekah Staton (Jenny). Thomas Sangster (Tim Latimer). Harry Lloyd (Baines). Tom Palmer (Hutchinson). Gerard Horan (Clark). Lauren Wilson (Lucy Cartwright). Pip Torrens (Rocastle). Matthew White (Phillips). Sophie Turner (Vicar).
310. Blink
A mystery spanning decades has the Doctor providing assistance from 1969 to a present-day photographer (Carey Mulligan) via cryptic warnings about weeping angels.
• Sat, Jun 9, 2007
• Directed by Hettie Macdonald
• Written by: Steven Moffat
• Cast: David Tennant (The Doctor). Freema Agyeman (Martha Jones). Carey Mulligan (Sally Sparrow). Lucy Gaskell (Kathy Nightingale). Finlay Robertson (Larry Nightingale). Richard Cant (Malcolm Wainwright). Michael Obiora (Billy Shipton). Louis Mahoney (Old Billy). Thomas Nelstrop (Ben Wainwright). Ian Boldsworth (Banto). Raymond Sawyer (Desk Sergeant).
311. Utopia
Captain Jack Harkness returns when the TARDIS visits Cardiff. Then, the Doctor enounters a professor at the end of the universe, who toils to save the last humans.
• Sat, Jun 16, 2007
• Directed by Graeme Harper
• Written by: Russell T. Davies
• Cast: David Tennant (The Doctor). Freema Agyeman (Martha Jones). John Barrowman (Captain Jack Harkness). Derek Jacobi (Professor Yana). Chipo Chung (Chantho). Rene Zagger (Padra). Neil Reidman (Lieutenant Atillo). Paul Marc Davies (Chieftain). Robert Forknall (Guard). John Bell (Creet). Deborah MacLaren (Kistane). Abigail Canton (Wiry Woman). John Simm (The Master). Anthony Ainley (The Master (archive sound) (uncredited)). Roger Delgado (The Master (archive sound) (uncredited)).
312. The Sound of Drums
Part 1 of 2. The Doctor, Martha and Captain Jack arrive in the U.K.
• Sat, Jun 23, 2007
• Directed by Colin Teague
• Written by: Russell T. Davies
• Cast: David Tennant (The Doctor). Freema Agyeman (Martha Jones). John Barrowman (Captain Jack Harkness). John Simm (The Master). Adjoa Andoh (Francine Jones). Gugu Mbatha-Raw (Tish Jones). Trevor Laird (Clive Jones). Reggie Yates (Leo Jones). Alexandra Moen (Lucy Saxon). Colin Stinton (President Arthur Coleman Winters). Nichola McAuliffe (Vivien Rook). Nicholas Gecks (Albert Dumfries). Sharon Osbourne (Herself). McFly (Themselves). Ann Widdecombe (Herself). Olivia Hill (BBC Newsreader).
313. Last of the Time Lords
Conclusion. The third-season finale is set one year after the Master's rise to power, with Martha Jones cast as a wandering folk hero, who is believed to be the only human capable of defeating the evil Time Lord.
• Sat, Jun 30, 2007
• Directed by Colin Teague Graeme Harper (uncredited)
• Written by: Russell T. Davies
• Cast: David Tennant (The Doctor). Freema Agyeman (Martha Jones). John Barrowman (Captain Jack Harkness). John Simm (The Master). Adjoa Andoh (Francine Jones). Gugu Mbatha-Raw (Tish Jones). Trevor Laird (Clive Jones). Reggie Yates (Leo Jones). Alexandra Moen (Lucy Saxon). Tom Ellis (Thomas Milligan). Ellie Haddington (Professor Doherty). Tom Golding (Lad). Natasha Alexander (Woman). Zoe Thorne (Toclafane (voice)). Gerard Logan (Toclafane (voice)). Johnnie Lyne-Pirkis (Toclafane (voice)).

