Rosemary and Thyme. One of the best British mystery programs. Two sleuths, Rosemary Boxer and Laura Thyme investigate various murders. The fabulous english gardens that they are set in are so beautiful, you can almost smell them. A must see series.
A Touch of Frost is a television detective series based on the Frost novels by R.D. Wingfield. It stars David Jason as Detective Inspector William Edward "Jack" Frost, known almost universally as Jack, an experienced and dedicated detective who frequently clashes with his superiors. (extract from Wikipedia)
Five Favorite British Mystery Series (by Women Writers