What is Doctor Who?
Doctor Who is a British television series, which first aired in 1963 and was relaunched in 2005.

Who is the Doctor?
The Doctor is a Time Lord from the planet Gallifrey, which was destroyed in the Time War. He doesn't die but regenerates and that is the reason why his appearance has changed over the years. Right now, he is more than 1000 years old.

What is the TARDIS?
TARDIS is the abbreviation for "Time and Relative Dimension in Space". The TARDIS is the time machine, which the Doctor uses to travel through time and space. From the outside it looks like a 1960s London police box and it is bigger on the inside.

Who are you?
I'm just a fangirl who loves Doctor Who.