Law & Order season 19
The nineteenth season of Law & Order premiered on NBC on November 5, 2008, and concluded on June 3, 2009. This was the show's third season in which there were no changes in the cast from the previous season, and it would be the last season to air on Wednesday nights at 10PM/9c, Law & Order: Special Victims Unit has claimed the slot off-and-on from the fall of 2009 to present.
The series declined in the ratings due to competition from CBS's CSI: NY, although some episodes spiked when CSI: NY episodes were repeats.