With factions vying for control of the ship, the Vervoids are found to be responsible for the many disappearances. Only the Doctor sees the fundamental but missed point as to why they can't be reasoned with or why they can't be allowed to arrive on Earth. Written by
Did You Know?
This episode was watched by 5.2 million viewers on its original transmission. See more
Why is it none of you can see what's so glaringly obvious?
Well, maybe we lack your divine insight.