1993 | 22 Episodes

Season 1 of NYPD Blue premiered on September 21, 1993.

1994 | 22 Episodes

Season 2 of NYPD Blue premiered on October 11, 1994.

1995 | 22 Episodes

Season 3 of NYPD Blue premiered on October 24, 1995.

1996 | 22 Episodes

Season 4 of NYPD Blue premiered on October 15, 1996.

1997 | 22 Episodes

Season 5 of NYPD Blue premiered on September 30, 1997.

1998 | 22 Episodes

Season 6 of NYPD Blue premiered on October 20, 1998.

2000 | 22 Episodes

Season 7 of NYPD Blue premiered on January 11, 2000.

2001 | 20 Episodes

Season 8 of NYPD Blue premiered on January 9, 2001.

2001 | 23 Episodes

Season 9 of NYPD Blue premiered on November 6, 2001.

2002 | 22 Episodes

Season 10 of NYPD Blue premiered on September 24, 2002.

2003 | 22 Episodes

Season 11 of NYPD Blue premiered on September 23, 2003.

2004 | 20 Episodes

Season 12 of NYPD Blue premiered on September 21, 2004.