Last Woman on Earth

Last Woman on Earth often referred to as The Last Woman On Earth, although appearing without the word The in the films actual titlecard is a 1960 American sciencefiction film produced and directed by Roger Corman. It tells the story of three survivors of a mysterious apocalypse which appears to have wiped out all human life on earth. The screenplay is by Robert Towne, who also appears in the film billed as Edward Wain. The music was composed and conducted by Ronald Stein. The film was originally released as a double feature with The Little Shop of Horrors.

Harold invites him along on a boat trip during which all three try out some newly bought scuba diving equipment. When they resurface, they are unable to breathe without using their scuba tanks. They climb back into their boat and find Manuel, the crewman, dead, apparently of asphyxiation. Upon rowing ashore, they enter the jungle. With their air running out, they discover that the foliage gives off oxygen they can breathe.When they go into town, they find nobody left alive, and they cannot contact anyone by radio. It dawns upon the three that they might be the only survivors in the area, maybe in the world. The domineering Harold takes charge. They becoming selfsufficient the two men fishmarine creatures have survived. Later, they also find living insects and baby chicks, presumably newly hatched. Harold feels that in the long run they will have to move north to a colder climateto avoid an insect problem and also problems with food preservation and to increase their chances of meeting other survivors. ........

Source: Wikipedia