Season Four (1966/1967)

EE.
The Power Of The Daleks A colony scientist plans to use Daleks as servants, but the Daleks have other ideas
NV.
Wonderland 1967, a time of love and peace, but what is the threat posed by the Blue Moonbeams?
MA.
Invasion Of The Cat People The Cat-People intend to continue work started 2000 years earlier
PDA.
The Murder Game On board a space hotel someone is taking a murder mystery game a little too seriously
PDA.
Dying In The Sun The Doctor tries to stop a film being released that could change the movie industry for ever
FF.
The Highlanders The TARDIS lands in Scotland near the battle of Culloden, 1746
GG.
The Underwater Menace The Doctor and his crew are captured and taken below ground to the mythical city of Atlantis
HH.
The Moonbase The Cybermen attack a moon colony to pave their way for an invasion of Earth
JJ.
The Macra Terror The TARDIS materialises on a planet where the Earth colony is run more like a holiday camp
PDA.
The Roundheads The TARDIS crew are emboiled in a plan to spirit King Charles from prison
KK.
The Faceless Ones People travelling with Chameleon Tours have been disappearing
LL.
The Evil Of The Daleks In 1867, during an experiment in time travel, a Dalek appears

Season Five (1967/1968)

MM.
The Tomb Of The Cybermen An archaeological team are trying to discover why the Cybermen disappeared
PDA.
Heart of TARDIS People of an American Midwestern town are being killed in brutal ways
NN.
The Abominable Snowmen The Great Intelligence tries to take material form using a Tibetan monk
OO.
The Ice Warriors The Ice Warriors plan to colonise Earth during the second ice-age
PDA.
Combat Rock The TARDIS crew are involved in a conflict between guerilla tribesmen and colonial forces
PDA.
Dreams Of Empire The future of an entire empire hangs in the balance
PP.
The Enemy Of The World The Doctor is the exact double of the would-be dictator Salamander
QQ.
The Web Of Fear The Great Intelligence is able to try again when a Yeti is re-activated
MA.
Twilight Of The Gods Vortis, the Web Plant, is now embroiled in a bitter interplanetary war
MA.
The Dark Path The last enclave of the Earth Empires harbours a dark obsession
RR.
Fury From The Deep An oil refinery has been experiencing problems and has sucked up a form of parasitic weed
SS.
The Wheel In Space The Cybermen use Cybermats to attack a space station as part of an invasion plan
NV.
Foreign Devils In China the spirits of the past have returned

Season Six (1968/1969)

TT.
The Dominators The Dominators plan to turn a planet into a radioactive wasteland to power their fleet
UU.
The Mind Robber The Doctor and his companions become trapped in a land of fiction
VV.
The Invasion The Cybermen try to enslave the human race by using mind control
WW.
The Krotons The Krotons, held in suspended animation, need mental energy to reawaken
XX.
The Seeds Of Death The Ice Warriors try to invade Earth by altering the planet's weather
PDA.
The Final Sanction The final confrontation between humankind and the Selachians is about to reach its conclusion
PDA.
The Colony Of Lies After 100 years a 'Back to Basics' Earth colony is in a state of chaos
YY.
The Space Pirates Space pirates have been destroying navigation beacons on the search for agonite
MA.
The Menagerie The Doctor is forced to lead an expedition to search for the fabled Menagerie of Ukkazaal
PDA.
The Indestructible Man Mysterious aliens from beyond Space and Time may have returned to destroy Earth
ZZ.
The War Games People have been kidnapped and set down in recreations of their own time zones to fight
PDA.
World Game Before the Doctor goes into exile the Time Lords have a task for him