Season Twelve (1974/1975)

4A.
Robot The newly regenerated Doctor battles a giant robot
4C.
The Ark In Space The Wirrrn plan to lay their eggs in the cryogenically preserved people of Earth
4B.
The Sontaran Experiment A Sontaran is running experiments on the humans that have returned to Earth
4E.
Genesis Of The Daleks The Doctor is sent on a mission by the Time Lords to destroy the Daleks
MA.
A Device Of Death The Doctor and his companions have been scattered across the stars, wiping his memory in the process
4D.
Revenge Of The Cybermen The Cybermen plan to destroy Voga, the planet of Gold, and the Vogans
PDA.
Wolfsbane Harry is dead; the Doctor and Sarah try to solve the mystery of his death

Season Thirteen (1975/1976)

4F.
Terror Of The Zygons The Zygons plan to take over the Earth by posing as humans
4H.
Planet Of Evil A scientist plans to use anti-matter from Zeta-Minor, but an anti-matter entity retaliates
MA.
Managra In Europa, designed thousands of years in the future, historical figures live again
4G.
Pyramids Of Mars Egyptian God Sutekh discovers a way to escape from his prison
4J.
The Android Invasion The Kraals create a simulation of Earth using androids in preparation for invasion
4K.
The Brain Of Morbius The Time Lords send the Doctor to Karn to halt Dr. Solon's experiments
MA.
Evolution In Victorian England a macabre scheme to interfere with with human evolution is uncovered
4L.
The Seeds Of Doom When a Krynoid seed pod is stolen a Krynoid grows and threatens all animal life
MA.
System Shock Earth, 1998, and a race against time to prevent an alien takeover

Season Fourteen (1976/1977)

4M.
Masque Of Mandragora The Mandragora Helix finds a way into the TARDIS and escapes into Italy
4N.
The Hand Of Fear After an accident in a quarry Sarah helps Eldrad return to reclaim his heritage
4P.
The Deadly Assassin The Doctor returns to Gallifrey to prevent the President's assassination... and becomes the accused
NV.
Ghost Ship The TARDIS lands in the most haunted place on Earth, the luxury ocean liner the Queen Mary
PDA.
Millennium Shock 1999: The Millennium Bug not only threatens technology but could be the key to an alien invasion
4Q.
The Face Of Evil On an unknown planet the Doctor finds his face on a cliff, and a computer he programmed
4R.
The Robots Of Death When people on a sandminer start disappearing the Doctor and Leela are blamed
PDA.
Last Man Running The TARDIS arrives on a violent world where creatures aim for the top of the food chain
PDA.
Corpse Marker Again robots are being programmed to kill. Is the dead genius Taren Capel involved?
4S.
The Talons Of Weng-Chiang A series of murders have been committed by a Chinese Tong of the Black Scorpian
PDA.
Eye Of Heaven On Easter Island an expedition may lead to ancient powers being invoked
PDA.
Psi-ence Fiction Experiments in the paranormal lead to the questioning of the whole of existence
PDA.
Drift White consumes the New Hampshire landscape - the perfect disguise for ghosts
PDA.
Match Of The Day Leela is challenged to a duel to the death on a planet where not to kill is an offence punishable by death

Season Fifteen (1977/1978)

4V.
Horror Of Fang Rock People start to die soon after a Rutan scout crashes on Earth
4T.
The Invisible Enemy The Doctor becomes infected with the Nucleus of a virus
4X.
Image Of The Fendahl A human skull is discovered and found to be over twelve million years old
4W.
The Sun Makers The Usurians have enslaved the human colony on the planet of Pluto
4Y.
Underworld The crew of a Minyan ship are on a quest to find the Minyan race bank
4Z.
The Invasion Of Time The Sontarans attempt to invade Gallifrey by using the Vardans

Season Sixteen (1978/1979 - The Key To Time)

5A.
The Ribos Operation The White Guardian selects the Doctor for a special mission - to reassemble the Key to Time
PDA.
Tomb Of Valdemar In the Palace of the Old Ones the way is being prepared for the Dark One's resurrection
5B.
The Pirate Planet A hollow planet has been materialising around planets and draining their life forces
5C.
The Stones Of Blood For 4,000 years the Cessair of Diplos has been hiding on Earth
MA.
The Shadow Of Weng-Chiang Shanghai, 1930: The Doctor is manipulated into following the Dragon Path
PDA.
Heart of TARDIS A force has been released into the Universe, but the Doctor is more concerned for a friend
5D.
The Androids Of Tara Romana becomes the centre of a plan by Grendel to take the throne of Tara
5E.
The Power Of Kroll The Doctor and Romana are caught in a feud between refiners and Swampies
5F.
The Armageddon Factor The Black Guardian attempts to take the Key to Time from the Doctor

Season Seventeen (1979/1980)

5J.
Destiny Of The Daleks Davros could be the Daleks' way to break a stalemate in their war with the Movellans
5H.
City Of Death Before life began on Earth a Jaggaroth spacecraft exploded, splintering Scaroth through time
5G.
The Creature From The Pit Adastra, fearing her monopoly on metals may be threatened imprisons a Tythonus ambassador
MA.
The Romance Of Crime Which old enemies of the Doctor are aboard a spaceship on its way to the Rock?
MA.
The English Way Of Death The TARDIS warns of time pollution in the summer of 1930, London
5K.
Nightmare Of Eden A freak accident causes two ships to become locked together after emerging from Hyperspace
5L.
Horns Of Nimon The Nimon promise to restore the Skonnons empire as long as they continue to be supplied
5M.
Shada Skagra plans to learn the location of Shada and exploit the mental powers of Salyavin
PDA.
Festival Of Death The Beautiful Death where you can find out what it's like experience death
MA.
The Well-Mannered War Two factions claim the colony of Metralubit; in 200 years not one shot has been fired in anger

Season Eighteen (1980/1981)

5N.
The Leisure Hive The Leisure Hive, home to the sinister Tachyon Recreation Generator
5Q.
Meglos Meglos, afer creating a duplicate of the Doctor, plans to destroy the planet of Tigella
5R.
Full Circle On Alzarius, in E-Space, evolution turns full circle every fifty years
5P.
State Of Decay Vampires, the enemy of the Time Lords, try to revive the Great One
5S.
Warriors' Gate The TARDIS is hijacked by a time-sensitive Tharil, Biroc
5T.
The Keeper Of Traken The Master, after using all his regenerations, tries to steal the Keeper's power
PDA.
Asylum Oxford, AD 1278: A friar has gone missing, and there's a travelling showman calling himself the Doctor.
5V.
Logopolis The Master disturbs the balance on Logopolis starting the end of the Universe