Season 7 of Star Trek: The Next Generation premiered 1993-09-20 and ran 26 episodes through 1994-05-23.

Season 6 of Star Trek: The Next Generation premiered 1992-09-21 and ran 26 episodes through 1993-06-21.

Season 5 of Star Trek: The Next Generation premiered 1991-09-23 and ran 26 episodes through 1992-06-15.

Season 4 of Star Trek: The Next Generation premiered 1990-09-24 and ran 26 episodes through 1991-06-17.

Season 3 of Star Trek: The Next Generation premiered 1989-09-25 and ran 26 episodes through 1990-06-18.

Season 2 of Star Trek: The Next Generation premiered 1988-11-21 and ran 22 episodes through 1989-07-17.

Season 1 of Star Trek: The Next Generation premiered 1987-09-28 and ran 26 episodes through 1988-05-16.

Season 3 of Star Trek: The Original Series premiered 1968-09-20 and ran 24 episodes through 1969-06-03.

Season 2 of Star Trek: The Original Series premiered 1967-09-15 and ran 26 episodes through 1968-03-29.

Season 1 of Star Trek: The Original Series premiered 1966-09-08 and ran 29 episodes through 1967-04-13.