<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"> 17 </Td> <Td colspan="1"> September 13 , 1969 ( 1969 - 09 - 13 ) </Td> <Td> January 17 , 1970 ( 1970 - 01 - 17 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 8 </Td> <Td colspan="1"> September 12 , 1970 ( 1970 - 09 - 12 ) </Td> <Td> October 31 , 1970 ( 1970 - 10 - 31 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 16 </Td> <Td colspan="1"> September 9 , 1978 </Td> <Td> December 23 , 1978 </Td> </Tr> </Table>
when was the first episode of scooby doo
September 13 , 1969