So have you seen Star Trek?
I have.  They are quite enjoyable, but I don't really know a lot about Star Trek in general.
Well you are talking to the right person because I am a huge fan. I have been watching it since 1966 when it first aired. 
Wow!  I didn't even realize the show was that old!  Who was the first Captain?  I can't recall.
The first captain was James T. Kirk played by William Shatner.
That's right.  I remember now.  I did watch some of the shows in the 90's.  They were quite interesting and fun.
Yeah the original show had 4 spin offs that followed a new crew. 
The Star Trek franchise seems quite successful.  I think they even have conventions for it!
Yes! It is the American version of Doctor Who.
Have you been to one of these conventions?