The original Downton Abbey. An upperclass British family and their servants.
I watched the three episodes of the 2010 reboot (set in 1936) last night. I've seen perhaps 3 or 4 from the 1970s series.
The rich girl flirting with Mosley and British Fascism storyline was clearly inspired by the Mitfords.
Fans of Downton will probably enjoy it. You can watch online here
The second series of the reboot begins Sunday on PBS. This will apparently be the last series, as ratings were down in the UK.
Keeley Hawes doesn't look all that great on the show, but otherwise...