<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 </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 Barbara 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--1970) </Li> <Li> Stefanianna Christopherson (1969--1970) </Li> <Li> Heather North (1970--1978) </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--1970, 1978) </Li> <Li> George A. Robertson, Jr. (1970) </Li> </Ul> </Td> </Tr> <Tr> <Th> Composer (s) </Th> <Td> Ted Nichols (1969--1970) 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 (1978) </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--1979) Worldvision Enterprises (1979--1989) Great American Broadcasting (1989--1991) Turner Program Services (1991--1996) Warner Bros. Television Distribution (1996--present) </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> CBS (1969--1970) 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--1973) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Scooby - Doo, Where Are You! </Th> </Tr>

Who sang the theme song to scooby doo