Many television programmes during the 1970s and 1980s, particularly on the UK's PAL system, suffered from distortion patterns with certain designs, such as striped shirts.
These distortion, or "Moiré" patterns, can be seen on the jacket that Barry Took wears during this edition.
These distortion, or "Moiré" patterns, can be seen on the jacket that Barry Took wears during this edition.