I've heard Star Trek was quite a famous show, but I don't know much about it. Can you tell me anything about it?
Oh yeah! I am a fan. Star Trek is an American tv show created by Gene Roddenberry.
Interesting, what exactly is the main plot or idea of the show?
The shows main character was Captain James Kirk the show was about his crew aboard a starship called Enterprise. 
Who were the main stars of the show?
The main star was James Kirk. The writer of Star Trek was inspired by the Horatio Hornblower novels which gave him many ideas for the show.
When did the show first premiere?
The first tv shows debuted in 1966 and aired 3 seasons. on NBC.