Doctor Who Terror of the Vervoids

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 nonplant life