Explores the history of man's expanding knowledge of the universe, including the most recent celestial discoveries.

Secrets of the sun -- Mars : the red planet -- The end of the Earth : deep space threats to our planet -- Jupiter : the giant planet -- The moon -- Spaceship Earth -- The inner planets : Mercury & Venus -- Saturn : lord of the rings -- Alien galaxies -- Life and death of a star -- The outer planets -- The most dangerous place in the universe -- Search for ET -- Beyond the Big Bang.