5. Once and Again

I know, I know. It had three seasons. But ABC’s extraordinary broken-family drama only got better with the years. It was still growing when it was cancelled. Each character was fully engaging — not just the leads, played by Sela Ward (left) and Billy Campbell (right), but also the supporting characters played by Evan Rachel Wood, Patrick Dempsey, Marin Hinkle, and Shane West. "Once and Again," from Marshall Herskovitz and Edward Zwick, was a starkly honest look at the ties that bind.