How 'British' is British TV?

The UK has become a production hub, with giant companies like Amazon and Netflix filming on our shores - and driving up the cost of shoots. But how easy is it to build up a thriving TV industry in a new part of the country? And faced with an influx of US programmes, should the government lay down legal requirements for ‘Britishness' on TV?Guests: Sarah Doole, Chief Executive of Red Production Company; Tony Wood, Chief Executive of Buccaneer Media; Sir Phil Redmond, creator of Grange Hill, Hollyoaks and Brookside; Chris Curtis, Editor of Broadcast.Studio engineer: Donald MacDonaldProducer: Hannah SanderPresenter: Ros Atkins