<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (June 2012) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (June 2012) (Learn how and when to remove this template message) </Td> </Tr> <P> Sea Patrol is an Australian drama television series which premiered on 5 July 2007 in Australia on the Nine Network . Each series contains 13 episodes, with the first season of Sea Patrol premiering on 5 July 2007, and concluding on 4 October 2007 . The second season, titled Sea Patrol II: The Coup, debuted on 31 March 2008, and ended on 23 June 2008 . The third season is titled Sea Patrol: Red Gold . Sea Patrol: Red Gold premiered on 18 May 2009 and ended 27 July 2009 . The fourth season debuted on 15 April 2010 and concluded on 29 July 2010 . The final season five started on 26 April 2011 and concluded on 12 July 2011 . Over the five seasons, 68 episodes were aired . </P> <Table> <Tr> <Th_colspan="2"> Season </Th> <Th> Episodes </Th> <Th_colspan="2"> Originally aired </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> 13 </Td> <Td> 5 July 2007 (2007 - 07 - 05) </Td> <Td> 4 October 2007 (2007 - 10 - 04) </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> 13 </Td> <Td> 31 March 2008 (2008 - 03 - 31) </Td> <Td> 23 June 2008 (2008 - 06 - 23) </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> 13 </Td> <Td> 18 May 2009 (2009 - 05 - 18) </Td> <Td> 27 July 2009 (2009 - 07 - 27) </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> 16 </Td> <Td> 15 April 2010 (2010 - 04 - 15) </Td> <Td> 29 July 2010 (2010 - 07 - 29) </Td> </Tr> <Tr> <Td> </Td> <Td> 5 </Td> <Td> 13 </Td> <Td> 26 April 2011 (2011 - 04 - 26) </Td> <Td> 12 July 2011 (2011 - 07 - 12) </Td> </Tr> </Table>

How many episodes of sea patrol are there