Synopsis
As season three returns with all-new supercharged adventures this fall, Kara and team will come up against a new threat in the form of DC Worldkiller, Reign.
Season 3 aired between 09 Oct 2017 and 18 Jun 2018, 23 episodes.
Episodes
E01
Girl of Steel
09 Oct 2017
E02
Triggers
16 Oct 2017
E03
Far From the Tree
23 Oct 2017
E04
The Faithful
30 Oct 2017
E05
Damage
06 Nov 2017
E06
Midvale
13 Nov 2017
E07
Wake Up
20 Nov 2017
E08
Crisis on Earth-X (1)
27 Nov 2017
E09
Reign
04 Dec 2017
E10
Legion of Superheroes
15 Jan 2018
E11
Fort Rozz
22 Jan 2018
E12
For Good
29 Jan 2018
E13
Both Sides Now
05 Feb 2018
E14
Schott Through the Heart
16 Apr 2018
E15
In Search of Lost Time
23 Apr 2018
E16
Of Two Minds
30 Apr 2018
E17
Trinity
07 May 2018
E18
Shelter from the Storm
14 May 2018
E19
The Fanatical
21 May 2018
E20
Dark Side of the Moon
28 May 2018
E21
Not Kansas
04 Jun 2018
E22
Make It Reign
11 Jun 2018
E23
Battles Lost and Won
18 Jun 2018