Satire. German Nazi Humour. -Movin on Up- by Jeff Barry and Ja-net Dubois authors of -The Jeffersons- Lyrics. American sitcom broadcast on CBS from 1975 to 1985 with a total of 253 episodes produced by T.AT. Communications Company then Embassy Television. Longest-running comedy or series with predominantly African-American cast in the history of American TV according to Wikipedia.