Who can take a 'nothing' day, and suddenly make it all seem worthwile?

Nothing takes me back to "the day" like when I watch this show. It is (was) TOTAL 70's. It was a groundbreaker, for sure.

And this is Mary's ultra-70's singles pad. Do note that, although this apartment boasts a balcony with french doors, Mary never once used it. I could never figure out why. Click on plan for larger image.