174 episodes ???
http://en.wikipedia.org/wiki/One_tree_hill_episodesEighty-eight episodes were produced during the first four seasons; due to the 2007–2008 Writers Guild of America strike, the fifth season consisted of only 18 episodes.[7]
As of May 17th, 2010 152 episodes of One Tree Hill have aired.
Season Episodes Originally aired One Tree Hill DVD releases
Region 1 Region 2 Region 4 Discs
1 22 2003—2004 January 25, 2005[8] September 5, 2005[9] February 1, 2006[10] 6
2 23 2004—2005 September 13, 2005[11] April 10, 2006[12] September 6, 2006[13] 6
3 22 2005—2006 September 26, 2006[14] October 23, 2006[15] July 4, 2007[16] 6
4 21 2006—2007 December 18, 2007[17] April 7, 2008[18] June 4, 2008[19] 6
5 18 2008 August 26, 2008 October 6, 2008 April 1, 2009 5
6 24 2008—2009 August 25, 2009 October 5, 2009 February 3, 2010 7
7 22 2009—2010 August 17, 2010[20] TBA TBA 5
8 22[21] 2010—2011 TBA TBA TBA -