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As evidence for the defense at his ongoing trial, the Doctor presents an adventure from his future when he is travelling with a computer programmer named Mel. Answering a mysterious distress call from the space liner Hyperion III, they find that the passengers aboard include unscrupulous scientists, secret agents, saboteurs, thieves and a murderer. And lurking in the shadows are the Vervoids, the product of sinister botanical experiments, who will stop at nothing to destroy all non-plant life.
Length 100 minutes
Colin Baker | Bonnie Langford | Michael Jayston | Lynda Bellingham | Honor Blackman | Michael Craig | Denys Hawthorne | Yolande Palfrey | Malcolm Tierney | David Allister | Tony Scoggo | Arthur Hewlett | Simon Slater | Sam Howard | Leon Davis | Hugh Beverton | Barbara Ward | Mike Mungarvan | Martin Weedon | Peppi Borza | Bob Appleby