Last updated 24 March 2024


Part Three

Series Episode Number: 586

World Premiere: Tue 25 Jan 1983 - 6:50pm GMT [BBC One] (United Kingdom)
First Broadcast: Tue 28 Apr 2015 - 8:00pm EDT [Retro TV]
Running Time: 24 minutes 29 seconds

6.60 Million (UK)

Appreciation Index: 67 (UK)

Chart Position: 66 () (UK)




As Tegan and Lon combine to give the Mara access back to reality, the Doctor locates the Great Mind's Eye crystal but realises it is instrumental in the Mara's plan.


Characters hide uncredited
The DoctorPeter Davison
TeganJanet Fielding
NyssaSarah Sutton
AmbrilJohn Carson
TanhaColette O'Neil
DojjenPreston Lockwood
LonMartin Clunes
ChelaJohnathon Morris
DugdaleBrian Miller
PuppeteerBarry Smith
Lon's BodyguardBob Mills (uncredited)
Tanha's BodyguardBarney Lawrence (uncredited)
Ambril's AttendentChris Holmes (uncredited)
(extra)Jean Channon (uncredited)
(extra)Sheila Vivian (uncredited)
(extra)Derek Hunt (uncredited)
(extra)Brian Moorhead (uncredited)
(extra)John Beardmore (uncredited)
(extra)Derek Suthern (uncredited)
(extra)Douglas Auchterlonie (uncredited)
(extra)Geoffrey Whitestone (uncredited)
(extra)April Love (uncredited)
(extra)Lionel Sansby (uncredited)
(extra)Peter Roy (uncredited)
(extra)Terry Sartain (uncredited)
(extra)Delphine (uncredited)
(extra)Linda Carroll (uncredited)
(extra)Victor Reynolds (uncredited)
(extra)Tina Winter (uncredited)
(extra)Sally Gardener (uncredited)
(extra)Karen Burch (uncredited)
(extra)Kenneth Goodfellow (uncredited)
(extra)Monique Briant (uncredited)
(extra)Nancy Adams (uncredited)
(extra)Pamela Dale (uncredited)
(extra)Mary Rennie (uncredited)
(extra)Patricia Roy (uncredited)
ChildDaniel Chamberlain (uncredited)
ChildTaba Bura (uncredited)
ChildCassie Shilling (uncredited)
ChildNicola Appleby (uncredited)
ChildMaxine Jeffery (uncredited)
ChildJamie Farrar (uncredited)
ChildCye Humphries (uncredited)