Season 1
- 1Holborn19 Jul 2021
- 2North End26 Jul 2021
- 3Piccadilly Circus2 Aug 2021
- 4Euston and York Road9 Aug 2021
- 5St Mary's, Aldgate East and Oxford Circus16 Aug 2021
- 6Clapham South and Moorgate23 Aug 2021
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Secrets of the London Underground
Ever wonder what’s behind closed doors at stations, what lies beneath the streets of London and what secret stories this fascinating city holds? Take a trip below the surface with railway historian Tim Dunn and Siddy Holloway from the London Transport Museum. Join the the pair as they explore abandoned tunnels, secret bunkers and hidden staircases that have been concealed from public view for years.
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Seasons (4)
Season 2
- 1Charing Cross and Kennington5 May 2022
- 2Waterloo & City12 May 2022
- 3King William Street and Knightsbridge19 May 2022
- 4Brompton Road and St Pauls26 May 2022
- 5London Bridge and Ongar2 Jun 2022
- 6King's Cross and Marlborough Road9 Jun 2022
- 7Elizabeth Line and Angel16 Jun 2022
- 8Quainton Road and Kingsway23 Jun 2022
- 9Greenwich and Notting Hill30 Jun 2022
- 10Baker Street and Edgware Road7 Jul 2022
Season 3
- 1Camden4 Jul 2023
- 2South Kensington and Marylebone11 Jul 2023
- 3Green Park (Dover Street) and Down Street18 Jul 2023
- 4British Museum and Leinster Gardens25 Jul 2023
- 5West Ashfield & Oval1 Aug 2023
- 6Leicester Square and Hyde Park Corner8 Aug 2023
- 7Heathrow and Swiss Cottage15 Aug 2023
- 8Shepherd's Bush22 Aug 2023
- 9Acton Works29 Aug 2023
- 10Archway and Emergency Response Unit5 Sep 2023
Season 4
- 1Earl's Court2 Jul 2024
- 2Paddington9 Jul 2024
- 3Waterloo and Marble Arch16 Jul 2024
- 4South Kentish Town23 Jul 2024
- 5Thames Tunnel and Lambeth North Street30 Jul 2024
- 6Ruislip Depot and Warren Street6 Aug 2024
- 7Northumberland Park and Finsbury Park13 Aug 2024
- 8Stockwell and the DLR20 Aug 2024
- 9Gloucester Road27 Aug 2024
- 10Old Street3 Sep 2024