Secrets of the London Underground: Season 1
This season started on July 19, 2021. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Holborn · 44 min | |
| 2 | North End · 44 min | |
| 3 | Piccadilly Circus · 44 min | |
| 4 | Euston and York Road · 44 min | |
| 5 | St Mary's, Aldgate East and Oxford Circus · 44 min | |
| 6 | Clapham South and Moorgate · 44 min |
