Alien Apocalypse is the story of Astronaut Ivan Hood (Bruce Campbell) who returns to earth after a mission in space to discover that it has been invaded by aliens. The aliens, large termite-like creatures, have enslaved the human race and are devouring the earth's forest. Dr. Hood, along with fellow astronaut Kelly (Reneé O'Connor), lead the revolution against the aliens to help free the human slaves, and save the earth from the alien creatures.