Control Voice: (opening narration) The persistence of Man's curiosity led him into new worlds. Without conquering his own, he invaded the sub-world of the microscope, and the outer-world of space. It is said turnabout is fair play... but is it?
Control Voice: (closing narration) A few days, a week, a month, will the earth be visited by a stranger from the universe? A warm, compassionate stranger to tell us of wonders beyond imagination, of life beyond comprehension, of secrets from the treasure house of stars.