Last Alteration: Sunday 07 April 2013
Locations: Season Nineteen
| Castrovalva | 4 episodes, broadcast 4 Jan - 12 Jan 1982 |
| 1 Sep 1981 | Sussex Police Training Centre (Crowborough), Duddleswell, East Sussex     | unverified | - |
| 2-3 Sep 1981 | Buckhurst Park (Woods), Withyham, East Sussex | unverified | - |
| 4 Sep 1981 | Harrison's Rocks, Groombridge, East Sussex | unverified | - |
| The Visitation | 4 episodes, broadcast 15 - 23 Feb 1982 |
| 5-7 May 1981 | Black Park, Black Park Road, Fulmer, Buckinghamshire | unverified | - |
| 8 May 1981 | Tithe Barn, Hurley High Street, Hurley, Berkshire | unverified | - |
| Black Orchid | 2 episodes, broadcast 1 - 2 Mar 1982 |
| 5 Oct 1981 | Buckinghamshire Railway Centre, Quainton, Buckinghamshire | unverified | - |
| 5 Oct 1981 | Quainton Road, Quainton, Buckinghamshire | unverified | - |
| 6-8 Oct 1981 | Buckhurst House, Withyham, East Sussex | recognisable | 2006 |
| 9 Oct 1981 | Withyham Cricket Club, Withyham, East Sussex | recognisable | 2006 |
| stock footage | Bewdley (Steam Railway), Worcestershire | recognisable | 2008 |
| Earthshock | 4 episodes, broadcast 8 - 16 Mar 1982 |
| 29 Oct 1981 | Springwell Quarry, Springwell Lane, Rickmansworth, Hertfordshire | partial | 2007 |
| Time-Flight | 4 episodes, broadcast 22 - 30 Mar 1982 |
| 6-7, 11 Jan 1982 | Heathrow Airport, Hounslow, Middlesex | redeveloped | 2007 |
| 11 Jan 1982 | Concorde G-BOAC, Cardiff | recognisable | 2019 |
