1972: David Attenborough on the purpose of BBC2

BBC Two has been on air for over 8-and-a-half years, but has it been a success? Members of the public have their say.

In the final edition of Late Night Line-Up, David Attenborough - the controller of BBC Two for seven years, and arguably the person most responsible for its current direction - mounts a rigorous defence of the channel in the face of some piercing questions from Tony Bilbow, Sheridan Morley and Michael Dean.

Originally broadcast 14 December, 1972.

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