It's fascinating because the parents long for the days when families would be more together as they remember it, but forget that a lot of the time-savers they take for granted in 2009 weren't standard equipment in 1970- they start out without central heating, an apartment-sized stove, no freezer and with a car they can't find second gear in.
As the go through the weeks they are delivered technology as they would have according to statistics. Color TVs, VHS recorders, computers, game consoles, and mobile phones.
What's really nice about it is that these people seem really, well, nice. They aren't out for camera time and while they might be occasionally petulant, you can tell they really love each other. You'd be thrilled to have them as neighbors.
All three installments are viewable on YouTube:
One of the things I like about it (in addition to the fact that as a kid of the 70's it resonates) is that it is flawlessly scored with period-correct music. Which I enjoyed, even if it made me feel older than dirt.