Space mostly, hence the first line... "Space the final frontier".
Star Trek: The Original Series Star Trek: The Animated Series Star Trek: The Next Generation Star Trek: Deep Space Nine Star Trek: Voyager Star Trek: Enterprise Star Trek: Bridge Commander (TV Series)
7 Star Trek The Original Series Star Trek The Animated Series Star Trek The Next Generation Star Trek Deep Space Nine Star Trek Voyager Star Trek Enterprise Star Trek Bridge Commander (TV Series)
There are a number of Star Trek series that have been released and a varying number of DVD's for each series that has been released. The initial series is "Star Trek - The Complete Original Series", followed by "Star Trek - The Next Generation", "Star Trek - Deep Space Nine", "Star Trek - Voyager" and "Star Trek - Enterprise. It is unclear exactly how many DVD"S are included in each series, although upon availability Amazon offers a collection of all series at a price of $2499.99.
Star Trek: The Next Generation (1987-1994) Correction!: Star Trek: The Animated Series (1973-1975)
Star Trek: Voyager.
Depends on which Star Trek series you're talking about. But here's the full list. Star Trek: The Original Series (1966-1969) Star Trek: The Animated Series (1973-1974) Star Trek: The Next Generation (1987-1994) Star Trek: Deep Space Nine (1993-1999) Star Trek: Voyager (1995-2001) Star Trek: Enterprise (2001-2005)
According to WikiPedia, it is "a fan-created science fiction series set in the Star Trek universe". See the official website, http://www.startreknewvoyages.com/ .
Because Every series has to end eventually that's just like you saying why did they end Star Trek Voyager, Star Trek Deep Space Nine, Star Trek The Next Generation, Star Trek the Origianl Series. Did you ever think of that
Star Trek: Voyager.
The Star Trek Movie from 2009 was pretty good, but personally I prefer Star Trek: The Original Series and the movies that were made to go along with the original series.
Star Trek: The Next Generation
Star Trek: The Next Generation