Doctor Who (1963–1996) Season 13, The Seeds of Doom: Part 3 The Seeds of Doom: Part 3 The Doctor and Sarah track down the Krynoid pod to the estate of Harrison Chase.

Closing out the season was The Seeds of Doom, a six-parter which spanned from January to March, 1976. Here, the Doctor and Sarah – now sans Harry – encounter an alien pod in Antarctica that ...