<P> On May 17 , 2007 , The CW announced that the show would return for a fifth season as a mid-season replacement . The show was dramatically retooled and set four years into the future - after the characters have already graduated from college . Until the show 's return to the schedule , the network planned to post diaries online to fill in the intervening years in the characters ' lives . The fifth season began shooting on July 30 , 2007 and premiered January 8 , 2008 . Dawn Ostroff confirmed on July 20 , 2007 that One Tree Hill had a 22 - episode order . </P>
<P> On May 17 , 2007 , The CW announced that the show would return for a fifth season as a mid-season replacement . The show was dramatically retooled and set four years into the future - after the characters have already graduated from college . Until the show 's return to the schedule , the network planned to post diaries online to fill in the intervening years in the characters ' lives . The fifth season began shooting on July 30 , 2007 and premiered January 8 , 2008 . Dawn Ostroff confirmed on July 20 , 2007 that One Tree Hill had a 22 - episode order . </P>
when was season 5 of one tree hill filmed
when was season 5 of one tree hill filmed
began shooting on July 30 , 2007
began shooting on July 30 , 2007