It's already on. Channel E4.
It is showing on E4 at the moment on Monday nights at 9pm.
Don't worry guys there is definitely a Season 8 of One Tree Hill !
Try tvlinks.eu
On the 9th June 2008 at 9pm on E4
July 2009
25th august 2009
in the UK it is normally on e4
9th July 2009
27th julyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy 20099999999999999999999999999
October 5, 2009
series 6 started on the 6th July 2009 on E4 in the UK
7th April 2008 according to play.com