October 16, 1997. The Robinsons become America's first family in space as part of an effort to colonize the Alpha Centauri star system. Their space ship, the "Gemini 12", runs into a meteor shower and goes off course, crashing on an uncharted planet. The Robinsons must deal with adversities such as a giant cyclops, earthquakes, and extreme cold. They also discover the remains of an ancient civilization in a cave.