Few TV shows have regressed as dramatically as 'Killing Eve'. What began in 2018 as a smart, mischievous, funny and stylishly violent Phoebe Waller Bridge adaptation of Luke Jennings' 'Villanelle' novels , soon grew stale in the next series - even with Emerald Fennell taking on the role of showrunner. When Susanne Heathcote took over the reins for series three, the thrill had gone. Each series just saw the bar getting lower. As a result, the hype that should have accompanied Jodie Comer's Villanelle and Sandra Oh's Eve's final outing seemed lacklustre. With another BBC franchise 'Peaky Blinders' also bowing out this month with a huge fanfare, there just didn't seem to be the same noise. Rather than a trumpet blast, it sounded more like a kazoo. Series four finds Laura Neale leading a team of writers who include Kayleigh Llewellyn, Georgia Lester and Sarah Simmonds. The challenge facing them is huge. Can they bring the sparkle back to a sho