Star Trek is a Tv series that was started in the 1960s and was very well liked and revolutionized thinking about new things such as cell-phones and ion propulsion ideas. they have different series types that supposedly happened in different times after each captain passed away or was in a different section of space.
It was a very big hit and had different series types.
Star Trek: The Next generation
Star Trek: Deep Space Nine
Star Trek: Voyager
Star Trek: Enterprise
There are also 11 star trek movies out as well such as The Wrath of Khan, and First Contact. And very recently a new one came out that completely changed the continuity of Star Trek.