Supergirl

In "Supergirl" (1984), Kara Zor-El, Superman's cousin, travels to Earth to retrieve the Omegahedron, a powerful Kryptonian energy source. She must navigate Earth's challenges while stopping a villain who threatens to use the Omegahedron for nefarious purposes. As Supergirl, she showcases her superhuman abilities to save the day and protect both Earth and her home planet from destruction.