Season 4

1. Earls Court and Alperton

2. Paddington and Tottenham Court Road

3. Waterloo and Marble Arch

4. South Kentish Town and London Underground Control Centre

5. Thames Tunnel and Lambeth North

6. Ruislip Depot and Warren Street

7. Northumberland Park and Finsbury Park

8. Stockwell and The DLR

9. Gloucester Road

10. Old Street