ドクターは元々ガリフレイ（Gallifrey）という惑星に棲むタイムロード（Time Lord）という種族だった。タイムロードは外見は人間と同じだが、心臓を2個持ち、体が重度の損害を受けた場合は少なくとも12回まで別の体に再生（Regeneration）できる能力を持つ非常に長命な種である。また彼らはターディス（TARDIS：Time And Relative Dimension In Space の略）というタイムマシンにより、宇宙のあらゆる場所、時代に行けるほど高度な文明力を持つ。ただし、自分たちの高い技術を他種族に知られることを恐れて基本的には宇宙で起こる事件に関しては不干渉主義を貫いていた。ドクターはそうした官僚主義的な状態に反発して、修理中のターディスを盗み出して出奔し、数々の冒険を重ねていくことになった。
放送日: 2007-04-01
上映時間: 47 min
概要: Trainee doctor Martha Jones has her hands full balancing her medical studies with placating her demanding family. So the last thing she needs is to find that the hospital where she works has been transported to the moon, where it's invaded by an overbearing alien police force. There she encounters a patient called John Smith, who seems curiously at ease with the situation…
放送日: 2007-04-07
上映時間: 48 min
概要: Martha takes her first trip in the Tardis, all the way back to Elizabethan England. She and the Doctor hear of a series of bizarre deaths and discover that playwright William Shakespeare is being controlled by dangerous witch-like creatures. It seems the time-travelling duo must defeat ancient forces to prevent history from being rewritten.
放送日: 2007-04-14
上映時間: 48 min
概要: The Doctor takes Martha to New Earth, in the far future, only to find that an entire city has become a deadly trap.
放送日: 2007-04-21
上映時間: 50 min
概要: The Doctor investigates disappearances in New York at the height of the depression in the 1930s. Nefarious Pig Men linger in the sewers and the Daleks prepare an audacious plan at the top of the Empire State Building
放送日: 2007-04-28
上映時間: 49 min
概要: The newly-created Dalek-human hybrid, and the other three members of the Cult of Skaro launch an attack on Hooverville, along with their Pig Slaves. The Doctor, Martha, and Frank manage to escape, but discover that the Daleks' plan involving the Empire State Building...
放送日: 2007-05-05
上映時間: 46 min
概要: Martha has to save her family from the lunatic schemes of the monstrous Professor Lazarus.
放送日: 2007-05-19
上映時間: 48 min
概要: In a far-flung galaxy, saboteurs are at work, and crew members are being possessed. The TARDIS crew find themselves in the 42nd century on a spaceship, SS Pentallian, slowly being pulled into a sun, and must find a way to survive
放送日: 2007-05-26
上映時間: 48 min
概要: England, 1913. A schoolteacher called John Smith dreams of adventures in time and space. The Doctor, along with Martha, heads to a boarding school, but what he finds is far from ordinary...
放送日: 2007-06-02
上映時間: 46 min
概要: It's 1913, and war comes to England early as the terrifying Family hunt for the Doctor.
放送日: 2007-06-09
上映時間: 46 min
概要: Only the Doctor can stop the Weeping Angels, but he's lost in time.
放送日: 2007-06-16
上映時間: 49 min
概要: After being brought back to life in The Parting of the Ways, Captain Jack Harkness was just left on the Gamestation by the Doctor and Rose. In this episode, Captain Jack Harkness storms back into the Doctor's life, and the TARDIS is thrown to the end of the universe itself.
放送日: 2007-06-23
上映時間: 52 min
概要: Harry Saxon becomes Prime Minister and his reign of terror begins – but that's only the start of his ambitions, as he announces mankind's first contact with an alien race, the Toclafane. An audacious plan spanning the whole of time and space begins to close around the Earth, in the penultimate episode of Russell T Davies's Doctor Who.
放送日: 2007-06-30
上映時間: 49 min
概要: One year has passed since the events of "The Sound of Drums." The Earth has been conquered and its population enslaved, the Doctor is the Master's prisoner, and the warships of a new Time Lord Empire rise from the ashes. The fate of the world is in Martha Jones' hands.
