How many years did Star Trek run on TV?

It's tricky to give a single answer, as "Star Trek" has been on TV for a very long time across different series.

Here's a breakdown:

* Original Series: 1966-1969 (3 years)

* The Next Generation: 1987-1994 (7 years)

* Deep Space Nine: 1993-1999 (7 years)

* Voyager: 1995-2001 (7 years)

* Enterprise: 2001-2005 (4 years)

* Discovery: 2017-present (6 seasons, ongoing)

* Picard: 2020-present (3 seasons, ongoing)

* Lower Decks: 2020-present (4 seasons, ongoing)

* Prodigy: 2021-present (3 seasons, ongoing)

* Strange New Worlds: 2022-present (2 seasons, ongoing)

Overall: While the individual series have varying run times, Star Trek has been on TV for over 50 years!