第 1 季 共 6 集
播出时间：2021年5月3日
第 1 集 The First Railway Murderer
播出时间：2021年5月3日
The first ever murder on a British train. 70-year-old Thomas Briggs was murdered on the 9.45pm train from Fenchurch Street to Hackney Wick on 9 July 1864 by Franz Muller.
第 2 集 The Body In The Tunnel
播出时间：2021年5月3日
The murder of coin dealer 64-year-old Isaac Frederick Gold on the 2.00pm express train travelling from London Bridge to Brighton on 27 June 1881 by 22-year-old Percy LeFroy Mapleton.
第 3 集 The Police Killer
播出时间：2021年5月3日
The first time a railway police officer was murdered in the line of duty. 37-year-old Detective Sergeant Robert Kidd was murdered in Sepember 1895, while investigating a spate of thefts from goods wagons in a yard at Wigan railway station.
第 4 集 The Newcastle Train Murder
播出时间：2021年5月3日
The murder on 18th March 1910 of John Innes Nisbet, a colliery clerk from Heaton who had been carrying miners' pay for Stobswood Colliery. John Alexander Dickman was hanged for the crime, (the last man hanged in a Newcastle jail).
第 5 集 The Guardsman
播出时间：2021年5月3日
The murder of 28-year-old Geoffrey Charles Dean, a booking clerk at Ash Vale railway station. The murderer was 23-year-old John James Alcott, a railway fireman from Hither Green Depot, who stole £160 from the railway booking office.
第 6 集 Death on the Underground
播出时间：2021年5月3日
The murder of 73-year-old Polish aristocrat Countess Teresa Lubienska on the eastbound Piccadilly line platform of Gloucester Road Underground station. The Countess was stabbed the evening of 24th May 1957, dying in hospital on the 25th.
