Stewart went on to land roles in various television series including "That Girl", "Marcus Welby, M.D.", "The Bob Newhart Show", "Good Times", and "Harry O". One of his most memorable roles was as Henry Jefferson, George Jefferson's brother, in the series "All in the Family". In 1973, he co-starred in the short-lived series "Roll Out". The following year, Stewart directed two episodes of another short-lived series "Get Christie Love!", then co-starred in "On the Rocks". After "On the Rocks" was canceled in 1976, Stewart portrayed the role of Marvin Decker in the "Bewitched" spin-off series "Tabitha" from 1977 to 1978.