I do not fall in love too fast.
But Doctor Who, .... is another story. Although there are many beautiful SF series, Doctor Who, after watching it leave something memorable. Something remain as a pleasant memory, living noteworthy.
Probably only a few will understand this, and is no wonder. Love your imagination, try to make use of the imagination, is not for everyone.
How to be pragmatic? Where reality begins and where it ends?
But a story like this, a fascinating one, can not find the roads at every street corner.