<Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> CBS </Td> </Tr> <Tr> <Th> Picture format </Th> <Td> HDTV 1080i </Td> </Tr> <Tr> <Th> Original release </Th> <Td> September 8, 2015 (2015 - 09 - 08)--present (present) </Td> </Tr>

Stephen colbert's first guest on late show