No. overall No. in season Title Directed by Written by Original air date Prod. code UK viewers (millions) [10] 19 1 The Nightmare Man Joss Agnew Joseph Lidster 11 October 2010 (2010-10-11) 12 October 2010 (2010-10-12) 4.1 4.2 0.59 0.67 20 2 The Vault of Secrets Joss Agnew Phil Ford 18 October 2010 (2010-10-18) 19 October 2010 (2010-10-19) 4.3 4.4 0.73 0.61 21 3 Death of the Doctor Ashley Way Russell T Davies 25 October 2010 (2010-10-25) 26 October 2010 (2010-10-26) 4.5 4.6 0.92 0.96 22 4 The Empty Planet Ashley Way Gareth Roberts 1 November 2010 (2010-11-01) 2 November 2010 (2010-11-02) 4.7 4.8 0.99 0.81 23 5 Lost in Time Joss Agnew Rupert Laight 8 November 2010 (2010-11-08) 9 November 2010 (2010-11-09) 4.9 4.10 0.98 0.68 24 6 Goodbye, Sarah Jane Smith Joss Agnew Gareth Roberts & Clayton Hickman 15 November 2010 (2010-11-15) 16 November 2010 (2010-11-16) 4.11 4.12 0.81 0.82