This is a list of episodes for the American TV show Cold Case, which first aired on CBS on September 28, 2003. Seasons 1 through 3 and season 6 each had 23 episodes. Season 4 had 24 episodes, which was one more than the other seasons. Season 5 had the fewest episodes, with 18, because of a writers' strike in 2007–2008. The final season, season 7, which began on September 27, 2009, had 22 episodes. Over seven seasons, from September 28, 2003, to May 2, 2010, a total of 156 episodes of Cold Case were broadcast.