Terry Wogan is among the guests as Stephen Fry looks at the impact that radio stars have had on both their own medium and television. Why does radio still appeal to TV stars such as Jonathan Ross, Michael Parkinson, Ricky Gervais and Terry Wogan? Radio Stars also examines how rock 'n' roll and pirate radio led to the birth of Radio 1, the celebrity DJ and egomania. Plus how radio has constantly fed television with new formats and fresh shows. Featuring Clive James, Dave Lee Travis, Ed Stewart, Mike Smith, Tony Blackburn, Simon Mayo, Johnnie Walker, Jimmy Savile, David Jacobs, Eric Sykes, Simon Dee, Annie Nightingale, Christian O'Connell, Barry Cryer, David Jensen, Emperor Rosko and Mark Radcliffe.

From the Victorian music halls, with their traditional mix of song, dance and comic skit, came the artiste who could "do it all". Yet. despite an incredible mix of skills and after ruling the world of light entertainment for years, the all-rounder's chief source of employment was to become hosts of variety and quiz shows. So how have the likes of Bruce Forsyth, Michael Barrymore, Cilla Black and Bob Monkhouse adapted their talents to keep their positions on the slippery showbiz ladder? Michael Grade, Clive James, Greg Dyke and Nigel Lythgoe are among those discussing these jacks of all trades.