Season 01
Season 02
Season 03
Season 04
Season 05
Supergirl, The Flash, Green Arrow and Superman face the battle of their lives.
All Episodes - S04
EPS01
Supergirl is called into action when remnants of Cadmus attempt to assassinate pro-alien leaders, but their endgame turns out to be more sinister than she thinks. ...
EPS02
When a shocking revelation brings chaos to National City, Supergirl sets out to capture Mercy Graves. ...
EPS03
The story of how Ben Lockwood became Agent Liberty is told. ...
EPS04
When Supergirl needs help, Alex asks Lena and Brainiac to team up. Meanwhile, J'onn questions his decision to quit the DEO. However, after running into Manchester Black, ...
EPS05
Colonel Haley makes a surprising decision regarding Supergirl. Kara writes s series of articles highlighting aliens in National City in the hopes that humans will stop be ...
EPS06
As everyone gathers for Thanksgiving, Kara is feeling down after her televised debate with Ben Lockwood; James and Lena argue about the best way to handle the Children of ...
EPS07
James falls in deeper with the Children of Liberty in his efforts to meet Agent Liberty. Meanwhile, Supergirl and Manchester Black follow a lead on Agent Liberty's locati ...
EPS08
Supergirl, The Flash, Green Arrow and Superman face the battle of their lives. ...