There are a couple British shows you might enjoy. They're mostly comedies. Last of the Summer Wine (not everyone's bag, but about a group of retired people and their wacky hijinks...) and one of my favorite shows, Waiting for God. Also a comedy, and does a decent job (well, from my early-20s perspective) of exploring what it is to get older and feel at a loose end after a very active life.

http://en.wikipedia.org/wiki/Waiting_for_God_%28TV_series%29

Diana Trent is badass. *thumbs up*