From the http://www.transdiffusion.org/ archives...

Unsold advertising time in the northwest of England or the Equity/IPA strike or something similar a lot of stuff bedevilled Channel 4's first couple of years means no adverts during this edition of American sitcom 'Soap'. Instead we get soft music and some swans preening themselves.

Related reading and viewing: “Advertising Now. TV Commercials” edited by Julius Wiedemann http://amzn.to/1L8w3mi