Perseus shield. Perseus then proceeded to the Gorgons' cave. In the cave he came upon the sleeping Medusa. By viewing Medusa's reflection in his polished shield, he safely approached and cut off her head. From her neck sprang Pegasus ("he who sprang") and Chrysaor ("sword of gold"), the result of Poseidon and Medusa's mating. The other two Gorgons pursued Perseus, but, wearing his helm of darkness, he escaped. From here he proceeded to visit King Atlas who had refused him hospitality; in revenge Perseus turned him to stone. On the way back to Seriphos Island, Perseus stopped in the kingdom of
Medusa (Supergirl) Medusa (Supergirl) "Medusa" is the eighth episode of the second season from The CW television series "Supergirl", which aired on November 28, 2016. The episode features a minor tie-in with the Arrowverse crossover event "Invasion!" Kara, James, Winn, Alex, Eliza and Mon-El celebrate Thanksgiving. Alex intends on coming out to Eliza, while James and Winn debate revealing the truth about Guardian. A mysterious interdimensional portal opens over the table. J'onn intends to discover Cadmus's plan with Kara's blood. Kara visits Lena Luthor to discern what she knows about her mother, Lillian Luthor, and Cadmus. Lena alerts Lillian that a reporter