It was first announced that Star Trek would be streaming some episodes fromthe various series’ in April on Netflix. Now it will be ALL episodes, but not until July. Worth the wait–from Trekmovie.com:
Firstly Netflix confirmed they will be streaming every episode of every season for all five live-action Star Trek series: the original Star Trek, Star Trek: The Next Generation, Star Trek: Deep Space Nine, Star Trek: Voyager, and Star Trek: Enterprise. TOS, TNG, Voyager and Enterprise will all become available on July 1st. DS9 will launch on October 1st. TOS and Enterprise will be available in HD. The only Trek TV that Netflix will not be streaming is Star Trek: The Animated Series from the 70s, as that show was not included in the CBS deal.