The Five Billion Pound Super Sewer (Documentary, English)
Status: Ended
Premiered: 2018-07-17
Ended: 2018-07-31
Network: BBC Two
Country: GB
Airs on: Tuesday
Air time: 21:00
Runtime: 60 minutes
Filmed over three years, The Five Billion Pound Super Sewer charts the progress and setbacks faced by a team of 4000 construction workers tasked with creating London's deepest ever tunnel - directly beneath the river Thames. It also delves into the subterranean world to explore the state of the city's ageing sewer network.