Alien 2: On Earth (1980) is a Horror, Science Fiction film that follows a group of cave explorers are confronted in an underground cavern by a mysterious living rock. Little do they know that it bears home to deadly, flesh-eating creatures, intent on wiping out the entire human population. An ultra low-budget, unofficial and unauthorized sequel to the 1979 film Alien, although the plot has little connection to the original film. Alien 2: On Earth is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 3.5 out of 10 from 79 votes. Fans of horror movies may also want to explore similar titles below.