<Tr> <Th> Original release </Th> <Td> September 27, 2006 (2006 - 09 - 27)--June 13, 2007 (2007 - 06 - 13) </Td> </Tr> <Tr> <Th_colspan="2"> Season chronology </Th> </Tr> <Tr> <Td_colspan="2"> ← Previous Season 3 Next → Season 5 </Td> </Tr> <Tr> <Td_colspan="2"> List of One Tree Hill episodes </Td> </Tr>

What episode do peyton and lucas sleep together