Star Trek: The Next Generation (abbreviated as TNG and ST: TNG) is an American science-fiction television series in the Star Trek franchise created by Gene Roddenberry that ran from 1987 to 1994. Roddenberry, Maurice Hurley, Rick Berman, Michael Piller, and Jeri Taylor served as executive producers at different times throughout its production.

When did star trek the next generation start? Okie... think carefully first, then make a decision:
The relevant information to answer the above question is: Star Trek: The Next Generation (abbreviated as TNG and ST: TNG) is an American science-fiction television series in the Star Trek franchise created by Gene Roddenberry that ran from 1987 to 1994. So, the answer is 1987.