Watch Supergirl Online
On Supergirl Season 5 Episode 1, Kara is surprised to find that CatCo has a new owner who has brought in a star reporter and J'onn receives an unexpected visitor.
On Supergirl Season 4 Episode 22, Supergirl realizes she has one last chance to stop Lex as she turns to the power of the press to help her.
On Supergirl Season 4 Episode 21, Kara comes face to face with Red Daughter and the two engage in an epic battle, and Lena turns to Lillian Luthor for help.
On Supergirl Season 4 Episode 20, when Kara and Lena try to hunt down Lex, Eve Tessmacher sets a trap that could ultimately reveal that Kara is Supergirl.
On Supergirl Season 4 Episode 19, Kara doggedly works as a reporter to clear Supergirl's name as Dreamer picks up the slack as National City's protector.
On Supergirl Season 4 Episode 18, Kara and Lena head to Stryker's Island to find clues to defeat Lex, while Lena studies an array of puzzles Lex left behind.
On Supergirl Season 4 Episode 17, Supergirl faces her biggest challenge yet as she must deal with the destructive aftermath of Lex's nefarious plans.
On Supergirl Season 4 Episode 16, Lex Luthor reveals all about his daring plan to rid the world of Supergirl, but how far will he go to win the battle?
On Supergirl Season 4 Episode 15, Lex Luthor gets a furlough from prison due to ill health, but what is the villain's master plan to take down a hero?
On Supergirl Season 4 Episode 14, with Ben Lockwood's push to stir up the anti-alien movement, Supergirl is worried about the safety of both humans and aliens.