The Doctor is baffled when a young woman is transported to the TARDIS on her wedding day, and attempts to find out how she is connected to an alien plot to destroy Earth.
When medical student Martha Jones meets a mysterious stranger called The Doctor, and finds herself transported to the moon, her life will never be the same again.
The Doctor takes Martha to New Earth, where she is kidnapped by two carjackers and taken to an underground Motorway, where the remainder of humanity on the planet live in perpetual gridlock.
Concluding part to Daleks in Manhattan. In 1930s New York, the Daleks' plan is in full force. Faced with the cyborgs' most evil and dangerous scheme yet, will the Doctor and Martha be able to defeat their greatest opponents?
In 1913, Martha watches in jealousy from afar as The Doctor learns what it is to be human and to fall in love with the local school nurse, Joan Redfern.
Soon after bumping into old friend Jack Harkness, Martha and The Doctor head off to Malcassairo, a distant planet where an old professor will do anything he can to keep his people alive...
The Doctor, Martha and Jack return to the 21st Century eighteen months after the Doctor and Martha left. They find they've missed the election, and the new Prime Minister, Harold Saxon, is someone they've met before by another name.
It's been a year since The Master unleashed the mysterious Toclafane onto Earth. With the human race and The Doctor enslaved under The Master's control, Martha Jones is the only person that can help stop the evil Time Lord.
