Darna vs. the Planet Women (1975)

The Planet Women, a group of evil alien Amazons, plan to kidnap Earth's leading scientists to force them to design, build, and embed huge engines into the center of the Earth so they can fly the entire planet back to their home system. But doing so would stop the planet's rotation, which would kill all of Earth's inhabitants. The only one who can stop the Planet Women is the Earth superhero, Darna.