<Table> <Tr> <Th_colspan="2"> Season </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> <Th_colspan="3"> Nielsen ratings </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> <Th> Rank </Th> <Th> Rating </Th> <Th> Viewers (millions) </Th> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 22 </Td> <Td_colspan="1"> September 21, 1998 (1998 - 09 - 21) </Td> <Td> May 13, 1999 (1999 - 05 - 13) </Td> <Td> 40 </Td> <Td> N / A </Td> <Td> 12.3 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 21, 1999 (1999 - 09 - 21) </Td> <Td> May 23, 2000 (2000 - 05 - 23) </Td> <Td> 44 </Td> <Td> N / A </Td> <Td> 12.0 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 25 </Td> <Td_colspan="1"> October 12, 2000 (2000 - 10 - 12) </Td> <Td> May 17, 2001 (2001 - 05 - 17) </Td> <Td> 14 </Td> <Td> 11.3 </Td> <Td> 17.3 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 27 </Td> <Td_colspan="1"> September 27, 2001 (2001 - 09 - 27) </Td> <Td> May 16, 2002 (2002 - 05 - 16) </Td> <Td> 9 </Td> <Td> 11.0 </Td> <Td> 17.3 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 5 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 26, 2002 (2002 - 09 - 26) </Td> <Td> May 15, 2003 (2003 - 05 - 15) </Td> <Td> 11 </Td> <Td> 11.0 </Td> <Td> 16.8 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 6 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 25, 2003 (2003 - 09 - 25) </Td> <Td> April 29, 2004 (2004 - 04 - 29) </Td> <Td> 13 </Td> <Td> 10.4 </Td> <Td> 15.2 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 7 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 16, 2004 (2004 - 09 - 16) </Td> <Td> May 19, 2005 (2005 - 05 - 19) </Td> <Td> 44 </Td> <Td> N / A </Td> <Td> 9.4 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 8 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 29, 2005 (2005 - 09 - 29) </Td> <Td> May 18, 2006 (2006 - 05 - 18) </Td> <Td> 61 </Td> <Td> N / A </Td> <Td> 8.7 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 9 </Td> <Td_colspan="2"> 16 </Td> <Td_colspan="1"> September 28, 2017 (2017 - 09 - 28) </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Season </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> <Th_colspan="3"> Nielsen ratings </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> <Th> Rank </Th> <Th> Rating </Th> <Th> Viewers (millions) </Th> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 22 </Td> <Td_colspan="1"> September 21, 1998 (1998 - 09 - 21) </Td> <Td> May 13, 1999 (1999 - 05 - 13) </Td> <Td> 40 </Td> <Td> N / A </Td> <Td> 12.3 </Td> </Tr>

Who is the writer of will and grace