Science FictionTV Movie

When scientists in the Antarctic uncover a mysterious seed pod, the Doctor is called in to investigate. He soon realises it is extraterrestrial and extremely dangerous. At the same time, however, ruthless millionaire plant-lover Harrison Chase has learned of the find and decides he must have the pod for his collection of rare and beautiful flora. Meanwhile the pod itself harbours intelligent life with sinister plans of its own...

Credits

Tom BakerThe Doctor

Elisabeth SladenSarah Jane Smith

Tony BeckleyHarrison Chase

Kenneth GilbertRichard Dunbar

Michael BarringtonSir Colin Thackeray