Secrets of the London Underground: Season 3
This season started on July 4, 2023. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Camden and Sloane Square · 44 min | |
| 2 | South Kensington and Marylebone · 44 min | |
| 3 | Green Park (Dover Street) and Down Street · 44 min | |
| 4 | British Museum and Leinster Gardens · 44 min | |
| 5 | West Ashfield and Oval · 44 min | |
| 6 | Leicester Square and Hyde Park Corner · 44 min | |
| 7 | Heathrow and Swiss Cottage · 44 min | |
| 8 | Shepherd's Bush and Elephant & Castle · 44 min | |
| 9 | Acton Works and South Acton · 44 min | |
| 10 | Archway and Emergency Response Unit · 44 min |