Sarah Jane Smith, former companion to The Doctor, is now an investigative journalist who also thwarts alien threats to the Earth with the help of some young companions of her own.
Season One: 10 episodes
| Ep | PN | Airdate | Title |
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| | Apr 29/06(UK) | School Reunion (Doctor Who episode) |
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| 100 | Jan 01/07(UK) | Invasion of the Bane (one hour) |
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| 1 | 101 | Sep 27/07(UK) | Revenge of the Slitheen, Part One |
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| 2 | 102 | Sep 24/07(UK) | Revenge of the Slitheen, Part Two |
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| 3 | 103 | Oct 01/07(UK) | Eye of the Gorgon, Part One |
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| 4 | 104 | Oct 08/07(UK) | Eye of the Gorgon, Part Two |
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| 5 | 105 | Oct 15/07(UK) | Warriors of Kudlak, Part One |
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| 6 | 106 | Oct 22/07(UK) | Warriors of Kudlak, Part Two |
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| 7 | 107 | Oct 29/07(UK) | Whatever Happened to Sarah Jane?, Part One |
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| 8 | 108 | Nov 05/07(UK) | Whatever Happened to Sarah Jane?, Part Two |
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| 9 | 109 | Nov 12/07(UK) | The Lost Boy, Part One |
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| 10 | 110 | Nov 19/07(UK) | The Lost Boy, Part Two |
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Season Two: 12 episodes
| Ep | PN | Airdate | Title |
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| | Jun 28/08(UK) | The Stolen Earth (part 1) (Doctor Who episode) |
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| | Jul 05/08(UK) | Journey's End (part 2) (Doctor Who episode) |
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| 11 | 201 | Sep 29/08(UK) | The Last Sontaran, Part One |
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| 12 | 202 | Sep 29/08(UK) | The Last Sontaran, Part Two |
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| 13 | 203 | Oct 06/08(UK) | The Day of the Clown, Part One |
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| 14 | 204 | Oct 13/08(UK) | The Day of the Clown, Part Two |
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| 15 | 205 | Oct 20/08(UK) | Secrets of the Stars, Part One |
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| 16 | 206 | Oct 27/08(UK) | Secrets of the Stars, Part Two |
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| 17 | 207 | Nov 03/08(UK) | The Mark of the Berserker, Part One |
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| 18 | 208 | Nov 10/08(UK) | The Mark of the Berserker, Part Two |
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| 19 | 209 | Nov 17/08(UK) | The Temptation of Sarah Jane Smith, Part One |
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| 20 | 210 | Nov 24/08(UK) | The Temptation of Sarah Jane Smith, Part Two |
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| 21 | 211 | Dec 01/08(UK) | Enemy of the Bane, Part One |
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| 22 | 212 | Dec 08/08(UK) | Enemy of the Bane, Part Two |
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Season Three: 12 episodes
| Ep | PN | Airdate | Title |
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| 23 | 301 | Oct 15/09(UK) | Prisoner of the Judoon, Part One |
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| 24 | 302 | Oct 16/09(UK) | Prisoner of the Judoon, Part Two |
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| 25 | 303 | Oct 22/09(UK) | The Mad Woman in the Attic, Part One |
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| 26 | 304 | Oct 23/09(UK) | The Mad Woman in the Attic, Part Two |
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| 27 | 305 | Oct 29/09(UK) | The Wedding of Sarah Jane Smith, Part One |
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| 28 | 306 | Oct 30/09(UK) | The Wedding of Sarah Jane Smith, Part Two |
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| 29 | 307 | Nov 05/09(UK) | The Eternity Trap, Part One |
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| 30 | 308 | Nov 06/09(UK) | The Eternity Trap, Part Two |
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| 31 | 309 | Nov 12/09(UK) | Mona Lisa's Revenge, Part One |
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| 32 | 310 | Nov 13/09(UK) | Mona Lisa's Revenge, Part Two |
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| 33 | 311 | Nov 19/09(UK) | The Gift, Part One |
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| 34 | 312 | Nov 20/09(UK) | The Gift, Part Two |
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| | Jan 01/10(UK) | The End of Time, Part Two (Doctor Who episode) |
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Season Four: 12 episodes
| Ep | PN | Airdate | Title |
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| 35 | 401 | Oct 11/10(UK) | The Nightmare Man, Part One |
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| 36 | 402 | Oct 12/10(UK) | The Nightmare Man, Part Two |
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| 37 | 403 | Oct 18/10(UK) | The Vault of Secrets, Part One |
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| 38 | 404 | Oct 19/10(UK) | The Vault of Secrets, Part Two |
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| 39 | 405 | Oct 25/10(UK) | Death of the Doctor, Part One (Doctor Who crossover) |
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| 40 | 406 | Oct 26/10(UK) | Death of the Doctor, Part Two (Doctor Who crossover) |
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| 41 | 407 | Nov 01/10(UK) | The Empty Planet, Part One |
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| 42 | 408 | Nov 02/10(UK) | The Empty Planet, Part Two |
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| 43 | 409 | Nov 08/10(UK) | Lost in Time, Part One |
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| 44 | 410 | Nov 09/10(UK) | Lost in Time, Part Two |
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| 45 | 411 | Nov 15/10(UK) | Goodbye, Sarah Jane Smith, Part One |
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| 46 | 412 | Nov 16/10(UK) | Goodbye, Sarah Jane Smith, Part Two |
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