Supergirl

In a world where superheroes exist, Kara Zor-El, Superman's cousin, is on a mission to Earth to retrieve a powerful energy source that was accidentally sent there. With the help of her new human friends, Linda Lee and Ethan, Kara must navigate the dangerous world of humans and stop the evil Selena from using the energy source for her own gain. Along the way, Kara discovers her own superhuman abilities and learns the true meaning of heroism. Will she be able to save the city and its people before it's too late?

You can stream Supergirl on: Max Amazon Prime ⎥ MAX Apple TV Amazon Store Fandango at Home

Some movies that have similar genres and were produced around the same time as Supergirl include Hundra, Krull, Sands of Oblivion, 18 Bronze Girls of Shaolin, The Barbarians, Clash of the Titans.

Supergirl was released in theaters on November 20, 1984.