<Table> <Tr> <Th colspan="2"> Season </Th> <Th colspan="2"> Episodes </Th> <Th colspan="2"> Originally aired </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 25 </Td> <Td colspan="1"> August 23 , 1998 ( 1998 - 08 - 23 ) </Td> <Td> July 26 , 1999 ( 1999 - 07 - 26 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 26 </Td> <Td colspan="1"> September 28 , 1999 ( 1999 - 09 - 28 ) </Td> <Td> May 22 , 2000 ( 2000 - 05 - 22 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 25 </Td> <Td colspan="1"> October 3 , 2000 ( 2000 - 10 - 03 ) </Td> <Td> May 22 , 2001 ( 2001 - 05 - 22 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 27 </Td> <Td colspan="1"> September 25 , 2001 ( 2001 - 09 - 25 ) </Td> <Td> May 21 , 2002 ( 2002 - 05 - 21 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 5 </Td> <Td colspan="2"> 25 </Td> <Td colspan="1"> September 17 , 2002 ( 2002 - 09 - 17 ) </Td> <Td> May 14 , 2003 ( 2003 - 05 - 14 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 6 </Td> <Td colspan="2"> 25 </Td> <Td colspan="1"> October 29 , 2003 ( 2003 - 10 - 29 ) </Td> <Td> May 19 , 2004 ( 2004 - 05 - 19 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 7 </Td> <Td colspan="2"> 25 </Td> <Td colspan="1"> September 8 , 2004 ( 2004 - 09 - 08 ) </Td> <Td> May 18 , 2005 ( 2005 - 05 - 18 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 8 </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> November 2 , 2005 ( 2005 - 11 - 02 ) </Td> <Td> May 18 , 2006 ( 2006 - 05 - 18 ) </Td> </Tr> </Table>
when did the first episode of that 70s show air
August 23 , 1998