<Table> <Tr> <Th colspan="2"> Scooby - Doo , Where Are You ! </Th> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Genre </Th> <Td> <Ul> <Li> Animation </Li> <Li> Comedy horror </Li> <Li> Mystery </Li> <Li> Adventure </Li> <Li> Children 's television series </Li> </Ul> </Td> </Tr> <Tr> <Th> Created by </Th> <Td> Joe Ruby Ken Spears </Td> </Tr> <Tr> <Th> Developed by </Th> <Td> Joseph Barbera William Hanna <Ul> <Li> Iwao Takamoto </Li> <Li> Fred Silverman </Li> </Ul> </Td> </Tr> <Tr> <Th> Directed by </Th> <Td> <Ul> <Li> Joseph Barbera William Hanna </Li> <Li> Charles A. Nichols ( 1978 ) </Li> </Ul> </Td> </Tr> <Tr> <Th> Voices of </Th> <Td> <Ul> <Li> Don Messick </Li> <Li> Casey Kasem </Li> <Li> Frank Welker </Li> <Li> Nicole Jaffe ( 1969 -- 70 ) </Li> <Li> Stefanianna Christopherson ( 1969 -- 70 ) </Li> <Li> Heather North ( 1970 -- 78 ) </Li> <Li> Pat Stevens ( 1978 ) </Li> </Ul> </Td> </Tr> <Tr> <Th> Theme music composer </Th> <Td> David Mook Ben Raleigh </Td> </Tr> <Tr> <Th> Opening theme </Th> <Td> `` Scooby - Doo , Where Are You ! '' performed by <Ul> <Li> Larry Marks ( 1969 -- 70 , 1978 ) </Li> <Li> George A. Robertson , Jr. ( 1970 ) </Li> </Ul> </Td> </Tr> <Tr> <Th> Composer ( s ) </Th> <Td> Ted Nichols ( 1969 -- 70 ) Hoyt Curtin ( 1978 ) </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> United States </Td> </Tr> <Tr> <Th> Original language ( s ) </Th> <Td> English </Td> </Tr> <Tr> <Th> No. of seasons </Th> <Td> </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 41 ( list of episodes ) </Td> </Tr> <Tr> <Th colspan="2"> Production </Th> </Tr> <Tr> <Th> Executive producer ( s ) </Th> <Td> William Hanna Joseph Barbera </Td> </Tr> <Tr> <Th> Producer ( s ) </Th> <Td> <Ul> <Li> Joseph Barbera William Hanna </Li> <Li> Don Jurwich ( 1978 ) </Li> </Ul> </Td> </Tr> <Tr> <Th> Running time </Th> <Td> 21 minutes approx </Td> </Tr> <Tr> <Th> Production company ( s ) </Th> <Td> Hanna - Barbera Productions </Td> </Tr> <Tr> <Th> Distributor </Th> <Td> Taft Broadcasting ( 1969 -- 88 ) Great American Broadcasting ( 1988 -- 91 ) Turner Program Services ( 1992 -- 98 ) Warner Bros. Television Distribution ( 1999 -- present ) </Td> </Tr> <Tr> <Th colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> CBS ( 1969 -- 70 ) ABC ( 1978 ) </Td> </Tr> <Tr> <Th> Picture format </Th> <Td> Film 4 : 3 480i </Td> </Tr> <Tr> <Th> Audio format </Th> <Td> Monaural </Td> </Tr> <Tr> <Th> Original release </Th> <Td> Original series <Ul> <Li> September 13 , 1969 ( 1969 - 09 - 13 ) -- October 31 , 1970 ( 1970 - 10 - 31 ) </Li> </Ul> Revival series September 9 , 1978 ( 1978 - 09 - 09 ) -- November 4 , 1978 ( 1978 - 11 - 04 ) </Td> </Tr> <Tr> <Th colspan="2"> Chronology </Th> </Tr> <Tr> <Th> Followed by </Th> <Td> The New Scooby - Doo Movies ( 1972 -- 73 ) </Td> </Tr> </Table>
who sang the original scooby doo theme song
Larry Marks