In season four, Supergirl is facing a bigger threat than she's ever faced before – a new wave of anti-alien sentiment, spreading across National City that’s fomented by Agent Liberty. As Kara mentors a new reporter at CatCo, Nia Nal, and tries to use the power of the press to shine a light on the issues threatening to tear the city apart, Supergirl takes to the skies to battle the many villains who rise up in this era of divisiveness.
Diving back into reporting, Kara welcomes a new cub reporter to CatCo. Meanwhile, James and Lena… |
A shocking revelation causes chaos in National City. Supergirl sets out to capture Mercy Graves,… |
Ben Lockwood didn’t always hate aliens. Through a series of incidents and input from his anti-alien… |
When Supergirl needs help, Alex asks Lena and Brainiac to team up. Meanwhile, J’onn questions his… |
Colonel Haley makes a surprising decision regarding Supergirl. Kara writes a series of articles… |
Everyone gathers for Thanksgiving but Kara is feeling down after her televised debate with Ben… |
James falls in deeper with the Children of Liberty in his efforts to meet Agent Liberty. Meanwhile,… |
Nia has a powerful dream about Agent Liberty but refuses to look at it as a prophetic dream and… |
Supergirl, The Flash, Green Arrow and Superman face the battle of their lives.
The crossover… |
Colonel Haley is upset after Supergirl responds to a distress call from a Navy ship that turned out… |
Kara joins Nia on a trip to Nia’s hometown to visit her family during the town’s annual Harvest… |
With his P.I. shingle newly hung outside his office, J'onn welcomes new clients. Trying to take her… |
Manchester Black breaks out of prison with the help of his new team, The Elite, who are set on… |
Between Ben Lockwood’s new push to stir up the anti-alien movement and the Elite’s desire to target… |
Secretly furloughed from prison due to failing health, Lex Luthor visits his sister, Lena, to seek… |
In the wake of Lex Luthor's return, the show flashes back to what he's been doing for the last two… |
Supergirl must deal with the destructive aftermath of Lex's nefarious plans. Shocked at what Lex… |
Kara and Lena head to Stryker's Island to search for clues on how to defeat Lex. At the prison,… |
As Kara doggedly works as a reporter to clear Supergirl’s name, Dreamer picks up the slack as… |
Kara and Lena head to Kaznia to hunt down Lex. However, Eve Tessmacher sets a trap for the duo that… |
Kara comes face to face with Red Daughter and the two engage in an epic battle. Determined to find… |
Lex Luthor descends upon Washington, D.C. and summons Lena and Lillian Luthor to the White House.… |