"Supergirl" is a multi-series superhero show based on the comic book series of the same name. The main character is a young woman named Kara, who arrived on Earth from a distant galaxy as a child. Her home planet was destroyed, and her parents asked Kara to look after her cousin Kal-El, who was also sent to the same planet as a baby. However, her ship veers off course and ends up on Earth much later. In the story, Kara possesses numerous superpowers directly connected to the celestial body.