Shot on location in the picturesque seaside village of Port Isaac during the filming of Doc Martin's highly anticipated seventh season, "Doc Martin - Seven Grumpy Seasons" is public television's third behind-the-scenes look at the international hit series. Featuring interviews with producers, cast members, and director Ben Gregor, this pledge special is an enjoyable sneak peek at what Martin Clunes -- the Doc himself -- is calling the "best" series yet.