John Mortimer has given us some great TV & cinema both as an author and a screen writer - Rumpole of the Bailey of course, Voyage Round My Father, Summers Lease are some I can think of.
But an old set that is one of my favourites is Paradise Postponed & Titmuss Regained. Like a good book, it's worthy of repeat viewings.
If it's still available on dvd it should be a reasonable price by now and is highly recommended.