sentence: River tells the Doctor it is a life support unit.
sentences_before: They are told to meet in the United States. This future version of the Doctor is killed by an person in a space suit. The Doctor's current version is there with them.
sentences_after: The suit has been designed by the hypnotic alien race, Silence. The girl is later seen regenerating in New York City, 1970. When she learns she will one day become River Song, someone the Doctor trust, Melody chooses to resurrect the Doctor with her energy. This causes her to lose the ability. The Doctor learns that she is the person who kills him in his future.
concept_name: river
headings: River Song (Doctor Who) Appearances
categories: Doctor Who characters