Series 3 Episode 8: Human Nature

Summary:
John Smith is a schoolteacher in 1913 but he dreams of a strange man called the Doctor. What he doesn't know is, that this isn't a dream but that he's really the Doctor, a Time Lord. He turned himself into a human when he and Martha were chased by aliens. The only one who knows who he really is, is Martha who works at the school. John Smith falls in love with the nurse and Martha doesn't know what to do about it when the aliens arrive. Martha wants to turn John Smith back into the Doctor but the watch is missing and he doesn't want to believe that he's not the man he thinks he is. The Family of Blood needs the Doctor to save their lives and so they threaten Martha and Joan. Whom will John Smith choose?

I think this is a brilliant episode because the Doctor is so different as John Smith than as himself. He still has dreams about his real life and we see a picture of Rose and know that she's still in his thoughts. That's a bit sad for Martha because she's in love with him but he hardly notices her most of the time. She's still the companion which the Doctor really appreciates when she's gone. The actor who play the Family of Blood are really brilliant and I think especially Son of mine is very creepy with this strange smile. I've read the book "Human Nature" as well and that's quite different than this episode but I like both. A great first part of this two-parter and something totally different after the last episode in space.