Home / Series / Horizon / Aired Order / Season 1977 / Episode 14

The Green Machine

Horizon makes an investigation into plant biology.

English
  • Originally Aired August 5, 1977
  • Runtime 60 minutes
  • Content Rating United States of America TV-PG
  • Network BBC Two
  • Created January 31, 2020 by
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  • Modified January 31, 2020 by
    Administrator admin