Sat, Sep 6, 1980
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 will prove his innocence or guilt, so they say.
Sat, Sep 27, 1980
The Doctor, Romana and K-9 arrive on the forest planet Tygella, where the native Tygellans now live in a underground city, due to the carnivorous plants. Where the Doctor finds he has been wrongly accused of stealing the Dodechedron, the city's power source. Only to discover the culprit is Meglos, the cactus-like last survivor of the desert planet Zolfa-Thura and he bids to return the Dodechedron to Zolfa-Thura for his own evil purpose and plans to use it as a powerful weapon and he plans to wipe out Tigella.
Sat, Oct 11, 1980
With the dodecahedron gone, the city goes power critical. Its death, imminent. With Romana seeking escape from Meglos' pirates, and Meglos seeking escape from the sealed-up city, and the Doctor himself seeking to understand what's been going on (and why everybody wants him arrested), religious factions move in to take over the city.
Sat, Nov 22, 1980
The Doctor and Romana find an isolated planet. K9 scans the planet, finding it has a village. The Doctor and Romana find high technology readings with the TARDIS sensors even though the village appears to have an absence of technology. The TARDIS lands near the village. The Doctor and Romana set off, leaving K9 behind to guard the TARDIS. Adric, from the previous story, has stowed away on the TARDIS. K9 finds him, but Adric tells him that as he is a stowaway. The Doctor and Romana find two men arguing. The Doctor asks to speak to a scientist. One of the men mistakes them for lords. After the Doctor, Romana and one of the men leave, The other man, using a radio, calls to others and tells them of the two strangers who just arrived. Travelling through the forest, Romana and the Doctor are surrounded by men. They surrender and are taken to a hidden cave, where they meet the rebels. One man is trying to get a computer up and running. The Doctor helps him and Romana identifies the computer system as coming from Earth, Adric tries to steal some food in the village. Adric is caught and those who caught him take on pity him and offer him a place to sleep because of the evil things that happen at night. The Doctor and Romana appear to be attacked by a swarm of bats at the end.