Flashbacks reveal what Lex Luthor has been doing for the past two years.
Lex Luthor visits his sister to seek her help.
The aliens decide to have their own peaceful protest, when Lockwood organises a rally.
A new team helps Manchester Black to break out of prison.
Kara and J’onn work together on an assignment.
Kara and Nia travel to Nia’s hometown to visit her family.
Supergirl angers Col. Haley by refusing to be told what to do.
Supergirl, The Flash, Green Arrow and Superman face the battle of their lives.
Oliver and Barry head to Gotham City with Supergirl.
Nia has a powerful dream about Agent Liberty.
Supergirl and Manchester Black chase a lead on Agent Liberty’s location.
Kara is feeling down after her televised debate with Ben Lockwood.