Watch Supergirl (1984) HD Full Movie Free on solarmovie.do. Watch Supergirl (1984) online free. After losing a powerful orb, Kara Zor-El, Superman's cousin, comes to Earth to retrieve it and inste...After losing a powerful orb, Kara Zor-El, Superman's cousin, comes to Earth to retrieve it and instead finds herself up against a wicked witch.