An eccentric Victorian inventor discovers a strange material that defies gravity and uses it to build the world's first spaceship. Leading an expedition to the moon, he is astonished to discover it is inhabited by giant ants and caterpillar-like creatures. Sci-fi adventure based on HG Wells' novel, starring Lionel Jeffries, Edward Judd, Martha Hyer and Miles Malleson, with special effects by Ray Harryhausen