In late February, 2011, Netflix announced by way of their official blog that select TV shows from CBS will begin via their streaming service. For fans of sci-fi this meant the ability in the future to watch all generations throughout the rich legacy of live-action Star Trek.

UPDATED: This list has now been modified due to Netflix removing nearly all of the movies that previously graced this list.  Unfortunately, the vast majority of the great sci-fi that was on Netflix Instant is no longer available.  However, a few gems are still left and ultimately made the new list. Netflix Instant Play has a very limited choice of Sci-Fi...