<P> The first season was filmed at Bondi and the second at Manly . The third season again took place in Sydney, in the suburb of Vaucluse . Moving to Victoria, Australia, the fourth season was filmed in the Melbourne suburb of Richmond, Victoria on Cameron Street . Breaking with tradition, season four was filmed in four side - by - side houses as opposed to an apartment block of four . Season four saw television personality Shelley Craft join Scott Cam in hosting the show . </P> <P> Season five began airing in April 2012 . As with season four, season five has retained the four separate houses format, as opposed to four apartments in a single apartment block as in earlier seasons . Season five is again set in Melbourne, on Dorcas Street, and is set in four adjacent multi-storey town houses . Season six returned to Sydney, in Bondi, for the tenth anniversary . The program has remained in Melbourne since season seven . </P> <P> The first three seasons of The Block aired once weekly for 13, 26 and 9 weeks respectively . Since season four, the program has aired across multiple nights per week . </P> <Table> Timeline of hosts, judges and other personnel <Tr> <Th> Starring </Th> <Th_colspan="14"> Seasons </Th> </Tr> <Tr> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> 5 </Th> <Th> 6 </Th> <Th> 7 </Th> <Th> 8 </Th> <Th> 9 </Th> <Th> 10 </Th> <Th> 11 </Th> <Th> 12 </Th> <Th> 13 </Th> <Th> 14 </Th> </Tr> <Tr> <Th_colspan="15"> Current </Th> </Tr> <Tr> <Td> Scott Cam </Td> <Td_colspan="2"> </Td> <Td_colspan="12"> Host </Td> </Tr> <Tr> <Td> Neale Whitaker </Td> <Td_colspan="2"> </Td> <Td_colspan="12"> Judge </Td> </Tr> <Tr> <Td> Shelley Craft </Td> <Td_colspan="3"> </Td> <Td_colspan="11"> Host / Challenge Master </Td> </Tr> <Tr> <Td> Keith Schleiger </Td> <Td_colspan="3"> </Td> <Td_colspan="11"> Foreman </Td> </Tr> <Tr> <Td> Shaynna Blaze </Td> <Td_colspan="4"> </Td> <Td_colspan="10"> Judge </Td> </Tr> <Tr> <Td> Darren Palmer </Td> <Td_colspan="4"> </Td> <Td> Guest </Td> <Td_colspan="9"> Judge </Td> </Tr> <Tr> <Td> Dan Reilly </Td> <Td_colspan="4"> </Td> <Td_colspan="2"> Contestant </Td> <Td_colspan="3"> </Td> <Td_colspan="1"> "Foreboy" </Td> <Td_colspan="4"> "Foredan" </Td> </Tr> <Tr> <Td> Alice Stolz </Td> <Td_colspan="12"> </Td> <Td_colspan="10"> Domain Judge </Td> </Tr> <Tr> <Th_colspan="15"> Former </Th> </Tr> <Tr> <Td> Jamie Durie </Td> <Td_colspan="2"> Host </Td> <Td_colspan="12"> </Td> </Tr> <Tr> <Td> John McGrath </Td> <Td_colspan="5"> Judge </Td> <Td> Guest </Td> <Td_colspan="3"> </Td> <Td> Guest </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> Guest </Td> <Td> </Td> </Tr> <Tr> <Td> Romy Alwill </Td> <Td_colspan="10"> </Td> <Td_colspan="1"> Guest </Td> <Td_colspan="3"> </Td> </Tr> </Table>

How many nights is the block on tv
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