This final series charts the inside story of how the fifteen billion pound railway became the nineteen billion pound Elizabeth line.
| Series Director & Producer | Lee Reading |
| Executive Producers | Carlo Massarella , David Dugan |
| Line Producer | Farne Sinclair |
| Production Coordinator | Lily Kiang |
| Production Secretaries | Violet Crawfurd , Nathan Chapple |
| Researcher | Charlie Rodwell |