Blurred Lines - SupergirlKara attempts to mend her relationship with Lena
Stranger Beside Me - SupergirlSupergirl, Alex, and Brainiac thwart an alien attack while William investigates Kara.
Event Horizon - SupergirlKara is surprised to find that CatCo has a new owner who has brought in a star reporter.
The Quest for Peace - SupergirlLex Luthor descends upon Washington, DC and summons Lena and Lillian Luthor to the White House.
Red Dawn - SupergirlKara comes face to face with Red Daughter and the two engage in an epic battle. 
Will The Real Miss Tessmacher Please Stand Up? - SupergirlKara and Lena head to Kaznia to hunt down Lex.
American Dreamer - SupergirlAs Kara doggedly works as a reporter to clear Supergirl’s name, Dreamer picks up the slack as National City’s protector.
Crime and Punishment - SupergirlSupergirl and Lena head to Stryker’s Island to search for clues on how to defeat Lex. 
What’s So Funny About Truth, Justice, and the American Way? - SupergirlManchester Black breaks out of prison with the help of his new team, The Elite, who are set on punishing the anti-alien forces. 
Menagerie - SupergirlWith his P.I. shingle newly hung outside his office, J’onn welcomes new clients.
All About Eve - SupergirlSupergirl must deal with the destructive aftermath of Lex’s nefarious plans.
The House of L - SupergirlIn the wake of Lex Luthor’s return, the show flashes back to what he’s been doing for the last two years and how his secret machinations and plans have affected Supergirl and Lena. 
O Brother, Where Art Thou? - SupergirlSecretly furloughed from prison due to failing health, Lex Luthor visits his sister, Lena, to seek her help finding a cure.
Stand And Deliver - SupergirlBetween Ben Lockwood’s new push to stir up the anti-alien movement and the Elite’s desire to target Lockwood and his minions, Supergirl is concerned about the safety of the American people – both human and alien.
What’s So Funny About Truth, Justice, and the American Way? - SupergirlManchester Black breaks out of prison with the help of his new team, The Elite, who are set on punishing the anti-alien forces.