<Tr> <Th_colspan="2"> Season </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> <Th_colspan="2"> Nielsen ratings </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> <Th> Avg . viewers (millions) </Th> <Th> Rank </Th> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 25 </Td> <Td_colspan="1"> September 22, 2004 (2004 - 09 - 22) </Td> <Td> May 25, 2005 (2005 - 05 - 25) </Td> <Td> 15.69 </Td> <Td> 15 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 21, 2005 (2005 - 09 - 21) </Td> <Td> May 24, 2006 (2006 - 05 - 24) </Td> <Td> 15.50 </Td> <Td> 15 </Td> </Tr>

When did they take lost off of netflix