The Planet of Doubt Jupiter and Saturn and on the surface of Uranus itself. At the time "The Planet of Doubt" takes place at the turn of the 22nd century, the limited range of the spaceships ensures that Uranus can only be reached from the American base on Titan when Saturn reaches conjunction with Uranus, an event that occurs once every forty years. The Young expedition explored the planet's south pole in 2060; now Hammond takes his ship, the "Gaea", to the north pole. Finding an ocean at the north pole, Hammond sends the "Gaea" spiraling southeast until they reach land. They find the
Children of the Damned for a collective study into their advanced intelligence. However the children escape from their embassies and gather at an abandoned church in Southwark, London. They intermittently take mental control of Paul's aunt (Ferris) to help them survive in the derelict church. Meanwhile, the military debates whether or not to destroy them. The children have demonstrated the capacity for telekinesis and construct a complex machine which uses sonic waves as a defensive weapon, which kills several government officials and soldiers. But the military realizes that they only fight back when attacked. After psychologist Tom Lewellin makes a passionate plea asking the