Planet of the Daleks The Time Lords pilot the TARDIS to the hostile planet Spiridon. There the Doctor and Jo join forces with a group of Thals to prevent the Daleks from launching a galactic invasion. The Green Death When a miner is found dead and glowing bright green, UNIT and the Doctor are called in. The culprit appears to be Global Chemicals and its mysterious boss, whose sinister plans extend across the entire world. The Time Warrior Investigating the disappearance of several scientists, the Doctor and journalist Sarah Jane Smith discover they are being abducted through time by the Sontaran warrior Linx.