CNN's "The Seventies" kicks off June 11 with a look back at how TV broke new ground during the decade ("All in the Family," "Mary Tyler Moore," "The Jeffersons"). And while these fine shows did help TV grow up, the 1970s also had its share of shows that were anything but groundbreaking. Here are five notable tube turkeys from the Me Decade:

 

FLATBUSH (1979) A misguided attempt to cash in on the success of "Saturday Night Fever," this comedy focused on five recent high school graduates living in the titular Brooklyn neighborhood. It was chock full of so many ethnic stereotypes that the Brooklyn borough president demanded the show's cancellation.

HOLMES AND YO-YO (1976) An accident-prone cop (Richard B. Shull) gets a new partner: a robot (John Schuck). Except he doesn't know it's a robot.

SUPERTRAIN (1979) In this dramatic anthology, a futuristic train zoomed across America's rails at 200 mph carrying passengers (a "Love Boat"-like, ever-changing roster of B-listers) who frolicked in its pool, relaxed in its steam room and danced at its discotheque. Need we mention the show is considered one of TV's most expensive failures ever?

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THE WAVERLY WONDERS (1978) Joe Namath had made a guest appearance several years earlier as himself on a "Brady Bunch" episode. Perhaps that emboldened Broadway Joe to think he could carry a sitcom all by himself. Here, he was a retired NBA(!) player who becomes the coach of a losing high-school basketball team.

A YEAR AT THE TOP (1977) Paul Shaffer (yes! David Letterman's band leader) and Greg Evigan play aspiring rock musicians who are offered a deal by the devil's son: They get stardom, he gets their souls.