Supergirl, The Flash, Green Arrow and Superman face the battle of their lives.
Nia has a powerful dream about Agent Liberty.
Kara is feeling down after her televised debate with Ben Lockwood.
Colonel Haley makes a surprising decision regarding Supergirl.
When Supergirl needs help, Alex asks Lena and Brainiac to team up.
A shocking revelation causes chaos in National City.
The superhero drama delivers its strongest season yet.
We look ahead to the next season of the hit CW series.
Someone threatens to expose Guardian’s identity.
Supergirl and her team brace themselves for an almighty battle.
Supergirl and Imra team up when a third World Killer shows up.
Mon-EL teaches Kara how to fight a World Killer.