Oops! You need to enable JavaScript in your browser to start watching. ITV Heathrow: Britain's Busiest Airport Series 6 - Episode 4 Buckle up as Heathrow's Heroes are dealing with the UK's worst winter storms while inside the terminal, there's a bad smell in immigration and an emergency fire. Wed Wednesday 9 Sept 8pm 30 mins Share this episode: Copied to clipboard Share on Facebook Share on Twitter Copy link to share