Flashbacks reveal what Lex Luthor has been doing for the past two years.
Supergirl 4×15 O Brother, Where Art Thou? preview
Lex Luthor visits his sister to seek her help.
Supergirl 4×14 Stand and Deliver preview
The aliens decide to have their own peaceful protest, when Lockwood organises a rally.
Supergirl 4×13 What’s So Funny About Truth, Justice, and the American Way? preview
A new team helps Manchester Black to break out of prison.
Supergirl 4×12 Menagerie preview
Kara and J’onn work together on an assignment.
Supergirl 4×11 Blood Memory preview
Kara and Nia travel to Nia’s hometown to visit her family.
Supergirl 4×10 Suspicious Minds preview
Supergirl angers Col. Haley by refusing to be told what to do.
Supergirl 4×09 Elseworlds Part 3 preview
Supergirl, The Flash, Green Arrow and Superman face the battle of their lives.
Arrow 7×09 Elseworlds Part 2 preview
Oliver and Barry head to Gotham City with Supergirl.
Supergirl 4×08 Bunker Hill preview
Nia has a powerful dream about Agent Liberty.
Supergirl 4×07 Rather the Fallen Angel preview
Supergirl and Manchester Black chase a lead on Agent Liberty’s location.
Supergirl 4×06 Call to Action preview
Kara is feeling down after her televised debate with Ben Lockwood.