Frost v Powell, 1969
Originally scheduled for 39 minutes, this 1969 interview with Enoch Powell was allowed to continue for a further 20 minutes during the live broadcast as the TV producers realised that something exceptional and absolutely gripping was taking place.
It starts politely – amiably even - but the tone soon changes as Frost attempts to pin down the old racist on matters of straightforward fact. Essential viewing, especially for those who’ve only seen Frost in his later, smug and pompous, incarnation. Put aside an hour for this extraordinary encounter: