Variety - 07/18/1984
"...Enjoyable....Dunaway has a ball as Selena....[Slater is] a find...She's an appealing young heroine..."
A young woman searching for an orb of immense power travels to Earth, and there instantly acquires super abilities. Standing in her way is an evil and powerful sorceress, who has captured the orb in order to supercharge her black magic.
Supergirl Kara must abandon her home planet for Earth in order to recapture the Omegahedron Stone -- the life-force of her land -- from the wicked and powerful Selena.