16x01 The Ribos Operation (1)
September 2, 1978 5:15 pm
The Magellanic Clouds, the planet Ribos, an unknown time. Ordered by the White Guardian to collect the pieces of the omnipotent Key to Time, The Doctor, K-9 and his new assistant Romana arrive. Collecting the first segment is not going to be easy…
16x02 The Ribos Operation (2)
September 9, 1978 5:15 pm
Trying to obtain the first segment of the Key to Time, the Doctor and Romana are swept up in an elaborate con. The target – the homicidal Graff Vynda K.
16x03 The Ribos Operation (3)
September 16, 1978 5:15 pm
Prisoners of the maniacal Graff Vynda K, the Doctor and Romana must break out and pursue the first segment – even as Unstoff takes it into the most dangerous place on Ribos.
16x04 The Ribos Operation (4)
September 23, 1978 5:15 pm
Trapped in the catacombs between a mad warlord and ravenous monsters, the Doctor and Romana work desperately to obtain the segement of the Key to Time - and escape alive.
16x05 The Pirate Planet (1)
September 30, 1978 5:15 pm
Planet Zanak, unknown time. The Doctor and Romana are seeking the planet Calufrax where the second segment waits. They are in the right place and the right time… but on the wrong planet.
16x06 The Pirate Planet (2)
October 7, 1978 5:15 pm
The Doctor begins to investigate the mysteriously wealthy planet Zanak. Mentiads, a deranged Captain, strange omens, miraculous mines – what does it all mean? And what does it have to do with the Key to Time?
16x07 The Pirate Planet (3)
October 14, 1978 5:15 pm
The Doctor and Romana begin to uncover the secrets of Zanak. But the murderous Captain seems to have plans of his own.
16x08 The Pirate Planet (4)
October 21, 1978 5:15 pm
The Captain and Xanxia work toward their secret goals. Both depends on the pirate planet consuming one more victim - Earth.
16x09 The Stones of Blood (1)
October 28, 1978 5:15 pm
England, the late 1970s. The Doctor and Romana arrive in search of the third segment. But the Tracer readings are erratic and something ominous is happening with an ancient stone circle...
16x10 The Stones of Blood (2)
November 4, 1978 5:15 pm
The quest for the Third Segment has landed the Doctor and Romana in the midst of a druidic cult centered on a stone circle. But the stones are not what they seem. And somewhere out there is a blood-thirsty celtic godess.
16x11 The Stones of Blood (3)
November 11, 1978 5:15 pm
Chase by blood-thirsty stones, the Doctor must find a way to rescue Romana. What awaits him in the theoretical absurdity of hyperspace?
16x12 The Stones of Blood (4)
November 18, 1978 5:15 pm
Facing a sentence of death from merciless justice machines, the Doctor must play for time while Romana tries to discover just who Vivian Fey really is.
16x13 The Androids of Tara (1)
November 25, 1978 5:15 pm
Arriving on the techno-Ruritanian world of Tara, Romana easily obtains the Fourth Segment. Getting off the planet, however, isn't going to be quite so easy...
16x14 The Androids of Tara (2)
December 2, 1978 5:15 pm
The Doctor must employ a desperate gambit to keep the evil Grendel off the throne. And the Count has a new pawn to play - Romana.
16x15 The Androids of Tara (3)
December 9, 1978 5:15 pm
The Doctor and Romana are swept up in the political machinations of Tara. The Doctor must keep the android "king" running while Grendel plots to use Romana to destroy him.
16x16 The Androids of Tara (4)
December 16, 1978 5:15 pm
Grendel plans two weddings and a funeral to cement his hold over Tara. The Doctor and K-9 race to foil him and save the Time Lady's life.
16x17 The Power of Kroll (1)
December 23, 1978 5:15 pm
The Third Moon of Delta Magna, The Future. The Doctor and Romana arrive in search of the fifth segment and are immediately swept up in a conflict between the crew of a new refinery and the embittered natives…
16x18 The Power of Kroll (2)
December 30, 1978 5:15 pm
The Doctor and Romana try to avoid being sacrificed to Kroll – just in time for the real monster to appear.
16x19 The Power of Kroll (3)
January 6, 1979 5:15 pm
The massive Kroll is awake and killing anyone in its path. And the swampies are determined to appease it – by sacrificing the Doctor and Romana.
16x20 The Power of Kroll (4)
January 13, 1979 5:15 pm
The Doctor and Romana are trapped between the monstrous Kroll and the insane refinery commander. And there is no sign of the fifth segment of the Key to Time.
16x21 The Armageddon Factor (1)
January 20, 1979 5:15 pm
Searching for the sixth segment, the Doctor and Romana land in the midst of a brutal nuclear wear between the planets Atrios and Zeos.
16x22 The Armageddon Factor (2)
January 27, 1979 5:15 pm
Swept up in an apocalyptic war, the Doctor must help the Marshall defend his planet. But who or what controls the Marshall?
16x23 The Armageddon Factor (3)
February 3, 1979 5:15 pm
The Doctor meets a new enemy – the Shadow – who wants the Key to Time. And the Atrian-Zeon war is approaching an awful climax.
16x24 The Armageddon Factor (4)
February 10, 1979 5:15 pm
The Doctor is forced into a desperate gambit to prevent a massacre. But it is getting harder to tell friend from foe.
16x25 The Armageddon Factor (5)
February 17, 1979 5:15 pm
The Doctor and Romana finally venture into the Shadow's lair. The Shadow appears to hold all the cards but the Doctor has found an old friend.
16x26 The Armageddon Factor (6)
February 24, 1979 5:15 pm
The Doctor and the Shadow have their final confrontation to take control of the Key to Time. Completing it may entail an awful sacrifice. And the Black Guardian will do anything to obtain it and plunge the Universe into chaos.
