It's been three decades since the ultimate feel good TV show TFI Friday first captured the carefree, hard-partying Cool Britannia mood of 90s Britain. As the pioneering tea-time series show turns 30, the creatives who made it say behind the scenes stroppy guests, unruly bands and a potty mouthed Shaun Ryder almost drove host Chris Evans to a nervous breakdown. Lifting the lid on TFI's secrets is Chris's trusted producer Will Macdonald, 59. Chris, he says, was often sick with nerves before the