Well clearly this Antarctic expedition had never watched "The Thing From Another World" (1951) before they set off else they would have known that anything you find buried in the ice ought to be left well alone! The World Ecology Bureau discovers a seed pod - and swiftly the "Doctor" (Tom Baker) and "Sarah Jane" (Elisabeth Sladen) race to the scene only to discover that the thing has been snacking, and growing, and isn't pocket-sized any more. Adding to the challenges for our intrepid time travellers, we also learn that renowned, and slightly bonkers, plant collector "Chase" ("Camp Freddie" him... read the rest.