An expert, often an academic, leads us through a subject, synthesizing all the arguments, simplifying the subject so it’s easy to understand.
The defining feature is that the story could be told without the presenter being present; in international versions the original presenter is usually edited out and replaced with a voice-over narration.
This approach is often used for specialist factual documentary series – art, religion, history and science.
· The Human Body (BBC1 / Discovery)
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