With the merciless Melkur in control of The Source, the Doctor and his allies have only a slim chance of deposing him, which also puts the peace of the Traken Union in severe jeopardy.
- Directed by
- John Black
- Written by
- Johnny Byrne
Guest stars
All episodes — Season 18
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S18 E1The Leisure Hive (1)
Aug 30, 19806.524 min
The planet Argolis, around the year 2290. The Argolins live in a huge shielded city, protected from the irradiated wasteland outside. The planet's survival depends on the tourists their Leisure Hive attracts. But a series of horrific deaths
S18 E2The Leisure Hive (2)
Sep 6, 19806.221 min
Another man is found dead, strangled by the Doctor's scarf, so the Doctor is put on trial. By some of the archaic rules of law, he's made to "prove" his innocence by becoming a test subject in a new tachyon experiment with time. The result
S18 E3The Leisure Hive (3)
Sep 13, 19806.222 min
With the Doctor suffering from the time experiment, the clandestine schemes of others start coming to light, along with the secreted purposes to which the tachyonic generator has been used.
S18 E4The Leisure Hive (4)
Sep 20, 19806.622 min
With the saboteur and murderer revealed and arrested, peace should now be restored, but a new threat emerges - a war-monger who's both ready and eager to aggress upon other worlds with a newly manufactured warrior army.
S18 E5Meglos (1)
Sep 27, 1980625 min
The desert planet Zolpha-Thura, the 1980s. Giant intelligent megalomaniac cactus Meglos is planning to conquer the galaxy but first it needs the dodecahedron, a powerful energy source currently on the planet Tigella. To get it back Meglos r
S18 E6Meglos (2)
Oct 4, 19806.222 min
With the TARDIS occupants trapped in a chronic histeratic loop (forever reliving the same moment in time), the devious Meglos - disguised as the Doctor - gains the trust of the Tigellans along with full and private access to their power cha