Question: when did star trek the next generation first air
Answer: Season Episodes Originally aired First aired Last aired 26 September 28 , 1987 ( 1987 - 09 - 28 ) May 16 , 1988 ( 1988 - 05 - 16 ) 22 November 21 , 1988 ( 1988 - 11 - 21 ) July 17 , 1989 ( 1989 - 07 - 17 ) 26 September 25 , 1989 ( 1989 - 09 - 25 ) June 18 , 1990 ( 1990 - 06 - 18 ) 26 September 24 , 1990 ( 1990 - 09 - 24 ) June 17 , 1991 ( 1991 - 06 - 17 ) 5 26 September 23 , 1991 ( 1991 - 09 - 23 ) June 15 , 1992 ( 1992 - 06 - 15 ) 6 26 September 21 , 1992 ( 1992 - 09 - 21 ) June 21 , 1993 ( 1993 - 06 - 21 ) 7 26 September 20 , 1993 ( 1993 - 09 - 20 ) May 23 , 1994 ( 1994 - 05 - 23 )