An Earth scientist, some technicians, their companions, and some Asian agents (they deny being Chinese because the Chinese cooperate with the Americans) are abducted by the aliens and forced to repair the ship.

[1] TV Guide found the movie poorly produced.

[2] Once in space, the film uses stock special-effects footage from Toho Studio's films Invasion of Astro-Monster and Gorath to depict a pursuit of Chaena's ship and an ecological catastrophe on Earth.

In the fall of 1977, to quickly capitalize on success of Star Wars, the film was dubbed in English and released in the United States under a new title.

The film was released as a double movie pack with Battle Beyond the Sun.