Where can I watch William and Mary in United States?

William and Mary is an ITV romantic comedy drama set in London, England, starring Martin Clunes as William Shawcross, an undertaker, and Julie Graham as Mary Gilcrest, a midwife. Its title refers to its two principal characters and is a cultural reference to the reign of the English monarchs William and Mary. It was shown in three six-part series in 2003-2005. It was also screened on Seven's best of-Scottish and English-oriented 7TWO.