sometimes I read a post from someone who says that he/she never watched Star Trek and want some tip on how to watch only the best episodes of the series, or something similar. well, problem solved: https://www.youtube.com/watch?v=i1UZHNHmeN4
Really, you should all check out that guy's channel. He's done this sort of thing for several TV shows, including each Trek series done individually. Watching the ones for Voyager and Enterprise really emphasises how short the were on those series. Just take notice of how many episodes are well into their opening credits by the one minute mark.