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...

• DirectorDouglas Camfield
• Release31 January 1976
• Genre
  Science Fiction / TV Movie
• Duration2h 30m
• Budget?
• Revenue?
• Rate
  

  8.5
  2 reviews
• Productions

  BBC