Blackadder the Third Baldrick sometimes calls Blackadder "Mr. B."). There are three main sets: the Prince's quarters, which are large and lavish, the below-stairs kitchen hangout of Blackadder and Baldrick, which is dark and squalid (though in fairness, very large and with a very high ceiling), and finally Mrs. Miggins' coffeehouse. Mrs. Miggins' pie shop was a never-seen running gag in "Blackadder II"; she — or at least, a descendant of hers — is now finally shown, played by Helen Atkinson-Wood. The plots of the series feature a number of then-contemporary issues and personalities, such as rotten boroughs, Dr. Samuel Johnson (played by
Blackadder Goes Forth Wallis and Lee Cornes, who had played minor roles in prior series, appeared briefly again in the fourth series as well. This series of Blackadder was one of the first television programmes in Britain to be made and transmitted with stereo sound, using the NICAM digital system, even though most viewers could only afford, or were only able to receive due to their location, the standard FM mono audio carrier signal. The series was directed by Richard Boden and all interior scenes were shot at BBC Television Centre in front of a live studio audience. Rowan Atkinson recalls that the