Seasons and episodes
4Season 4 Jul. 02, 2024
S4 - E1Earls Court and Alperton Jul. 02, 2024
S4 - E2Paddington and Tottenham Court Road Jul. 09, 2024
S4 - E3Waterloo and Marble Arch Jul. 16, 2024
S4 - E4South Kentish Town and London Underground Control Centre Jul. 23, 2024
S4 - E5Thames Tunnel and Lambeth North Jul. 30, 2024
S4 - E6Ruislip Depot and Warren Street Aug. 06, 2024- S4 - E7Northumberland Park and Finsbury Park Aug. 13, 2024
- S4 - E8Stockwell and The DLR Aug. 20, 2024
- S4 - E9Gloucester Road Aug. 27, 2024
- S4 - E10Old Street Sep. 03, 2024
3Season 3 Jul. 04, 2023
S3 - E1Camden and Sloane Square Jul. 04, 2023
S3 - E2South Kensington and Marylebone Jul. 11, 2023
S3 - E3Green Park (Dover Street) and Down Street Jul. 18, 2023
S3 - E4British Museum and Leinster Gardens Jul. 25, 2023
S3 - E5West Ashfield and Oval Aug. 01, 2023
S3 - E6Leicester Square and Hyde Park Corner Aug. 08, 2023
S3 - E7Heathrow and Swiss Cottage Aug. 15, 2023
S3 - E8Shepherd's Bush and Elephant & Castle Aug. 22, 2023
S3 - E9Acton Works and South Acton Aug. 29, 2023
S3 - E10Archway and Emergency Response Unit Sep. 05, 2023
2Season 2 May. 05, 2022
S2 - E1Charing Cross and Kennington May. 05, 2022
S2 - E2Waterloo & City and Mark Lane May. 12, 2022
S2 - E3King William Street and Knightsbridge May. 19, 2022
S2 - E4Brompton Road and St Pauls May. 26, 2022- S2 - E5London Bridge and Ongar Jun. 02, 2022
- S2 - E6King’s Cross and Marlborough Road Jun. 09, 2022
- S2 - E7Elizabeth Line and Angel Jun. 16, 2022
- S2 - E8Quainton Road and Kingsway Jun. 23, 2022
- S2 - E9Greenwich and Notting Hill Jun. 30, 2022
- S2 - E10Baker Street and Edgware Road Signal Cabin Jul. 07, 2022
1Season 1 Jul. 19, 2021
S1 - E1Holborn Jul. 19, 2021
S1 - E2North End Jul. 26, 2021
S1 - E3Piccadilly Circus Aug. 02, 2021
S1 - E4Euston and York Road Aug. 09, 2021
S1 - E5St Mary's, Aldgate East and Oxford Circus Aug. 16, 2021
S1 - E6Clapham South and Moorgate Aug. 23, 2021
Synopsis
Railway historian Tim Dunn and Siddy Holloway from the London Transport Museum explore hidden areas of the London Underground that—despite being just feet away from where millions of people regularly travel—hardly anyone knows about. The pair will explore abandoned tunnels, secret bunkers and hidden staircases that have been concealed from public view for years.
Original title Secrets of the London Underground
TMDb Rating 7.5 4 votes
First air date Jul. 19, 2021
Last air date Sep. 05, 2023
Seasons 4
Episodes 26
Average Duration 44 minutes
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