《神秘博士》是一部由英国广播公司出品的长寿英国科幻电视剧。
2005年版的第九任博士是忧郁的战争幸存者，经历了时之战争，他封印了他的种族和敌人戴立克，是唯一活下来的人。
该剧讲述了名为“Doctor”（克里斯托弗·埃克莱斯顿 Christopher Eccleston 饰）的神秘外星时间旅行者，随着他的时空机器TARDIS的（Time And Relative Dimensions In Space）冒险故事，他的时空机器外观看上去像1950年代的警亭。博士带着他的伙伴罗斯（比莉·派佩 Billie Piper 饰）在时间、空间中探索悠游、打击邪恶力量、拯救文明、帮助人民、纠正错误、解决各类问题。

One gunshot, one death, one moment out of time that irrevocably links eight minds in disparate parts of the world, putting them in each other's lives, each other's secrets, and in terrible danger. Ordinary people suddenly reborn as "Sensates."

Plagued by strange memories, Neo's life takes an unexpected turn when he finds himself back inside the Matrix.

Before she was a fashion icon, before her column in the New York Star, before Mr. Big, Carrie Bradshaw was an innocent 16-year-old girl living in suburban Connecticut.

The series stars David Tennant as the Doctor. In the Christmas special he is joined by Catherine Tate as Donna Noble. The series also introduces Freema Agyeman as the Doctor's new companion Martha Jones. John Barrowman also reprises his role as Captain Jack Harkness in the final three episodes which serve as the finale. The series is connected by a loose story arc consisting of the recurring phrase "Vote Saxon".