Haven’t seen much Dr Who but one thing that does come across is that he tends to act as humanities champion and protector, the question is why? Whats the reason he appears to have such an interest in the human race?
Thanks!
He’s half human. 
Otherwise, he has professed his great admiration for Earth and the human race for all its accomplishments.
Humans seem to be more complex in personality than most other races. Instead of being emotionally diverse, other alien races tend to be one-note embodiments of some singular emotion or purpose.
That’s because of the limited ways science fiction tends to be written, of course, but I think that’s the deal.
Them’s is fightin’ words…
We look just like Time Lords, but we’re really kind of more like shaved monkeys from his perspective. But we’ve got potential.
He has a thing for hot British chicks? Humans are pretty much identical to his now extinct race, so where else can he go hang, with the cat nun people?
ETA: Oh hai Attack, what you said!
I think the cat nuns might be kind of fun.
Because no other race in the entire universe can scream “Doctor!” quite like we can.
We look like his people.
(Or, because it’s a TV series made by humans, for humans, with a limited makeup budget.)
I’ve seen a couple of time where a character asks him the same thing. One of the responses I recall was that when he was exiled on Earth (3rd Doctor, Jon Pertwee) he became quite fond of the Earth. Also, the 11th Doctor mentions that he has put a lot of work into them (humans) in the episode “The Eleventh Hour”.
I think he finds the humans kind of fun! He definitely considered the Time Lords to be a stuffy lot.
Earth girls are easy.
It’s got to be our gravel quarries. There’s nothing The Doctor likes better than a nice gravel quarry to run around in, and we’ve got the best in the entire universe.
A gravel quarry and a girl in a miniskirt. Life is good.
I got the impression that we go on to be the dominant species in, at least our part, of the universe. Right now we are little baby birds squeeking in the nest, very vunerable, but if we can just get out of the nest… The Doctor, in his own little way, is facinated by this stage in our delelopment.
You could also argue that we also look like Timelords which means that the Doctor identifys with us as firstly an exile from his home and later the last of his kind. He’s lonley and we, both as a species and as individual companions fill the gap.
At some point in his first life the Doctor identified strongly with Edwardian-era Britain. Perhaps because it was an era of an aristocratic elite going through it’s twilight, like the Timelords themselves? This would also fit in that one other era the Doctor seems to socialize well in is late-Republican early-Imperial Rome.
I recall the Doctor stating in one episode something like, “There isn’t a star in the sky that humanity has not touched”
Thanks for the answers everyone!
If you go back over them, I think you can see his connection growing over time.
The first doctor (William Hartnell) doesn’t particularly care. The third doctor (Jon Pertwee) is actually exiled to earth, which is a source of frustration for him, but he goes to work for UNIT and actually starts to become personally involved in the affairs of the planet.
By the time we get to the new Doctor Who, we see him tackling the minutia of human culture – relationships, Christmas dinners, sharing a flat with someone and playing football…
I seem to recall an episode with the 4th Doctor (Tom Baker) talking to Sara that the inclination to act in the greater good even to self sacrifice rather than acting in pure self interest made humans his favourite life form.
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He was stuck on Earth for awhile and ‘went native’.
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Humans have that ‘x-factor’.
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Humans in the future breed like rabbits and take over the galaxy.
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Humans created the BBC.
- Humans have Opal.