Last Alteration: Sunday 07 April 2013
Locations: Season Twenty-Three
| The Trial of a Time Lord ("Mysterious Planet") | 4 episodes, broadcast 6 - 27 Sep 1986 |
| 8-9 Apr 1986 | Queen Elizabeth Country Park, Gravel Hill, Horndean, Hampshire    | altered | 2008 |
| 10-11 Apr 1986 | Little Butser, Butser Hill, Hampshire | demolished | 2008 |
| The Trial of a Time Lord ("Mindwarp") | 4 episodes, broadcast 4 - 25 Oct 1986 |
| 15-16 Jun 1986 | Telscombe Cliffs, Peacehaven, East Sussex | recognisable | 2007 |
| The Trial of a Time Lord ("The Ultimate Foe") | 2 episodes, broadcast 29 Nov - 6 Dec 1986 |
| 23-24 Jun 1986 | Camber Sands, Camber, East Sussex  | recognisable | 2006 |
| 23-24 Jun 1986 | Rye Harbour Nature Reserve, Rye, East Sussex | recognisable | 2008 |
| 30 Jun, 1-3 Jul 1986 | Gladstone Pottery Museum, Uttoxeter Road, Longton, Stoke-on-Trent | recognisable | 2008 |
