Last updated 24 March 2024


Part Two

Series Episode Number: 531

World Premiere: Sat 4 Oct 1980 - 6:17pm BST [BBC One] (United Kingdom)
First Broadcast: Sun 24 Sep 2017 - 4:30pm EDT [Retro TV]
Running Time: 21 minutes 24 seconds

4.20 Million (UK)

Appreciation Index: 64 (UK)

Chart Position: 139 () (UK)

Recorded on Tue 26 Jun 0198 in Television Centre 6



Masquerading as the Doctor, Meglos penetrates the underground city of Tigella. The Doctor and Romana are trapped in an ever repeating circle of time and seem powerless to act.


Characters hide uncredited
Doctor WhoTom Baker
RomanaLalla Ward
General GruggerBill Fraser
Lieutenant BrotadacFrederick Treves
ZastorEdward Underdown
LexaJacqueline Hill
CarisColette Gleeson
DeedrixCrawford Logan
EarthlingChristopher Owen
Voice of K-9John Leeson
Tigellan GuardSimon Shaw
MeglosTom Baker (uncredited)Info
Voice of MeglosChristopher Owen (uncredited)
GaztakJames Muir (uncredited)
GaztakBruce Callender (uncredited)
GaztakHi Ching (uncredited)
GaztakRanjit Nakara (uncredited)
GaztakJohn Holland (uncredited)
TigellanHarry Fielder (uncredited)
TigellanMichael Gordon Browne (uncredited)
TigellanLaurie Good (uncredited)
TigellanPeter Gates Fleming (uncredited)
TigellanGeoff Whitestone (uncredited)
SavantHoward Barnes (uncredited)
SavantStephen Kane (uncredited)
SavantJohn Laing (uncredited)
SavantDavid Cole (uncredited)