Henry Mance, the FT's media correspondent, reports on Britain's most successful television shows and how the world's biggest broadcasters are competing for a global audience,
For more video content from the Financial Times, visit http://www.FT.com/video
Subscribe to the Financial Times on YouTube; http://goo.gl/vUQx5k
Twitter https://twitter.com/ftvideo
Facebook https://www.facebook.com/financialtimes