<Tr> <Td> </Td> <Td_colspan="1"> 11 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> October 14, 1984 (1984 - 10 - 14) </Td> <Td> July 2, 1985 (1985 - 07 - 02) </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> N / A </Td> </Tr> <P> The Jeffersons had many two - part episodes, either over two consecutive weeks, or aired as an hour - long episode . </P> <P> Ja'net Dubois (from Good Times) and Jeff Barry co-wrote The Jeffersons theme song, "Movin' on Up", which was sung by Dubois with a gospel choir . The song was covered by Sammy Davis, Jr., in 1978 . </P> <P> The Jeffersons changed time slots at least 15 different times during its 11 - year run, unusual for a popular long running series . The most common time slot was on Sunday night . </P>

Who sang the theme song on the jeffersons