Jul 25, 2014 Updated: 6:04 AM
A modern, edgy drama full to the brim with passion, politics and peril. MI-5 leads us into the dangerous world of Britain's top-secret security agency, and into the lives of people who must lie, and sometimes die, for a living.
VISIT THE BBC's MI-5 WEB SITE
Martin inadvertantly causes the vicar to break his pelvis, and must find a replacement vicar for his wedding three hours before the ceremony. Meanwhile, a pregnant bridesmaid goes into labor.
Find out about upcoming shows, special events, and discounts.