<Tr> <Th> First aired </Th> <Th> Last aired </Th> <Th> Network </Th> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 20 </Td> <Td_colspan="1"> August 5, 1998 (1998 - 08 - 05) </Td> <Td> March 24, 1999 (1999 - 03 - 24) </Td> <Td> ABC </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 39 </Td> <Td_colspan="1"> September 16, 1999 (1999 - 09 - 16) </Td> <Td> May 18, 2000 (2000 - 05 - 18) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 39 </Td> <Td_colspan="1"> October 12, 2000 (2000 - 10 - 12) </Td> <Td> June 21, 2001 (2001 - 06 - 21) </Td> </Tr>

When is whose line is it anyways on