Professional wrestling. Big rigs, the Dukes of Hazzard, Starland Vocal Band, pet rocks, Disco, polyester, leisure suits, Cher when she looked like an American Indian, the "Energy Crisis." American-made gas-guzzling cars. Bob Newhart's first TV series. Match Game. Tony Orlando and Dawn. Pop Rocks. The Electric Company on public television, starring Rita Moreno and Morgan Freeman. Dirty Harry Callahan. The Pope visiting the U.S. The Cold War.
OK, that's all I can wring from my feeble memory. Basically had to try and recall anything I could remember from my childhood before MTV started. (I turned 12 in 1980, so it's a convenient milestone.) Good luck!