Six of television's top drama series bosses - Sam Esmail, Julian Fellowes, Nina Jacobson, Marti Noxon, Melissa Rosenberg and John Ridley - open up about the stories that made them genuinely nervous in Hollywood and what it takes to cast their shows.

Comedy TV writer - producers Kenya Barris, Marta Kauffman, Aline Brosh McKenna, Alan Yang, Nahnatchka Khan and David Mandel talk condoms, stunt guests and what they have (and haven't) been able to get away with on the small screen.

TV's top reality talent - Mark Cuban, Jane Lynch, Guy Fieri, Nick Cannon, Mike Darnell and LL Cool J - discuss on-set psychologists, coaxing contestants and America's first reality star presidential candidate, Donald Trump.