All Available Season All Season Specials Jan, 0001 4 episodes 0.0 Season 1 Sep, 2005 22 episodes 7.8 Season 2 Sep, 2006 22 episodes 8.3 Season 3 Sep, 2007 18 episodes 8.5 Season 4 Oct, 2008 23 episodes 7.9 Season 5 Sep, 2009 22 episodes 7.7 The fifth and final season leaps five years into the future, where Melinda's son Aiden is already conversing with ghosts and her husband Jim has become a doctor.
