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Your question isn't quite clear, but if you are referring to the screwdriver River has when she meets the Tenth Doctor: the Doctor from the future knew River was about to go to her death (remember they keep meeting out of order). He gave her his screwdriver because he knew his Tenth self would need it to save her. As for why it looks different, every time the sonic screwdriver is destroyed irreparably, the TARDIS presents him with a new one and sometimes the design changes.
Improvement: I might know what you mean. River's screwdriver does look quite similar to the Tenth Doctor's blue one, as apposed to the Eleventh Doctor's green one. Which is a strange thing really, but I suppose that the future Doctor would have purposefully given River one that looked like the Tenth Doctor's, so it would make sense to the Tenth Doctor. WIBBLY WOBBLY TIMEY WIMEY!
What else can I help you with?
Whose Sonic screwdriver is the future Sonic screwdriver?
The future Sonic screwdriver belongs to the Thirteenth Doctor, portrayed by Jodie Whittaker in the "Doctor Who" series.
Who plays River Song in Doctor Who?
River Song is played by Alex Kingston.
What year did River Song first appear in Doctor Who?
River Song first appeared in 2008, when David Tennant was still playing the Doctor. The first time we saw River Song was when she died. River and the Doctor are moving in opposite directions in time, so as we, the viewers, move forward with the Doctor, we are seeing River Song's past.
Why do the Doctor and River Song have diaries in Doctor Who?
So the Doctor and River can catch up to eachother on what they have done.
Who is the astronaut in Doctor Who?
river song
Who was the astronaught that killed the doctor in Doctor Who?
The astronaut who killed the doctor in Doctor Who is River Song. She is a character who has a complex relationship with the Doctor throughout the series.
Is Amy Pond the daughter of the Doctor and River Song?
No We saw Amy's parents in season 5 the Big Bang.Infact, River Song is the daughter of Amy and Rory.Meaning that if the Doctor and River Song's marriage was legitimate, Amy is technically the Doctor's mother-in-law. Wierd.
Is the impossible astronaut River Song?
Yes. River Song is the Impossible Astronaut. She was programmed by the Silence to kill the Doctor even though she didn't want to.
If River Song is Amy's daughter then what is the Doctor's relationship to River?
The Doctor and River Song have a romantic relationship. River married a robot of the Doctor that was controled by the Doctor while in an alternate reality, which brings about the question of whether the marriage ever actually happened, and if it counts because technically River married a robot.
In Doctor Who does River Song marry The Doctor?
YES; he marries her in an alternate time line that then reverts making the marriage null and void in the episode "The Wedding of River Song".
What did River Song whisper in Doctor whos ear?
In the episode "Forest of the Dead," River Song whispered her real name in the Doctor's ear. The exact words were not revealed to the audience.
Are the daleks back?
As shown in the promo following 'End of Time' yes, they will. As well as River Song, the Weeping Angels, and there is a new version of the Sonic Screwdriver, as the 11th Doctor apparently blows his old one up.
