BBFC director on how to classify a British film
The British Board of Film Classification will turn 100 in 2012.
David Cooke is the BBFC's director and he has the ultimate responsibility on what classification British films are given: U, PG, 12, 15 or 18.
He told Radio 5 live's Simon Mayo and Mark Kermode how many films he watched per week.
To hear other 5 live interviews, please visit the best bits page.
Simon Mayo & Mark Kermode broadcast Fridays 1400 to 1600 on Radio 5 live.