Twenty-four-year-old Kara Zor-El, who was taken in by the Danvers family when she was 13 after being sent away from Krypton, must learn to embrace her powers after previously hiding them. The Danvers teach her to be careful with her powers, until she has to reveal them during an unexpected disaster, setting her on her journey of heroism.
 | Season 1 Episode 1 Pilot Air Date: 2015-10-26 Duration: 60 min |
 | Season 1 Episode 2 Stronger Together Air Date: 2015-11-02 Duration: 60 min |
 | Season 1 Episode 3 Fight or Flight Air Date: 2015-11-09 Duration: 60 min |
 | Season 1 Episode 4 Livewire Air Date: 2015-11-16 Duration: 60 min |
 | Season 1 Episode 5 How Does She Do It? Air Date: 2015-11-23 Duration: 60 min |
 | Season 1 Episode 6 Red Faced Air Date: 2015-11-30 Duration: 60 min |
 | Season 1 Episode 7 Human for a Day Air Date: 2015-12-07 Duration: 60 min |
 | Season 1 Episode 8 Hostile Takeover Air Date: 2015-12-14 Duration: 60 min |
 | Season 1 Episode 9 Blood Bonds Air Date: 2016-01-04 Duration: 60 min |
 | Season 1 Episode 10 Childish Things Air Date: 2016-01-18 Duration: 60 min |
 | Season 1 Episode 11 Strange Visitor from Another Planet Air Date: 2016-01-25 Duration: 60 min |
 | Season 1 Episode 12 Bizarro Air Date: 2016-02-01 Duration: 60 min |
 | Season 1 Episode 13 For the Girl Who Has Everything Air Date: 2016-02-08 Duration: 60 min |
 | Season 1 Episode 14 Truth, Justice and the American Way Air Date: 2016-02-22 Duration: 60 min |
 | Season 1 Episode 15 Solitude Air Date: 2016-02-29 Duration: 60 min |
 | Season 1 Episode 16 Falling Air Date: 2016-03-14 Duration: 60 min |
 | Season 1 Episode 17 Manhunter Air Date: 2016-03-21 Duration: 60 min |
 | Season 1 Episode 18 Worlds Finest Air Date: 2016-03-28 Duration: 60 min |
 | Season 1 Episode 19 Myriad Air Date: 2016-04-11 Duration: 60 min |
 | Season 1 Episode 20 Better Angels Air Date: 2016-04-18 Duration: 60 min |
 | Season 2 Episode 1 The Adventures of Supergirl Air Date: 2016-10-10 Duration: 60 min |
 | Season 2 Episode 2 The Last Children of Krypton Air Date: 2016-10-17 Duration: 60 min |
 | Season 2 Episode 3 Welcome to Earth Air Date: 2016-10-24 Duration: 60 min |
 | Season 2 Episode 4 Survivors Air Date: 2016-10-31 Duration: 60 min |
 | Season 2 Episode 5 Crossfire Air Date: 2016-11-07 Duration: 60 min |
 | Season 2 Episode 6 Changing Air Date: 2016-11-14 Duration: 60 min |
 | Season 2 Episode 7 The Darkest Place Air Date: 2016-11-21 Duration: 60 min |
 | Season 2 Episode 8 Medusa Air Date: 2016-11-28 Duration: 60 min |
 | Season 2 Episode 9 Supergirl Lives Air Date: 2017-01-23 Duration: 60 min |
 | Season 2 Episode 10 We Can Be Heroes Air Date: 2017-01-30 Duration: 60 min |
 | Season 2 Episode 11 The Martian Chronicles Air Date: 2017-02-06 Duration: 60 min |
 | Season 2 Episode 12 Luthors Air Date: 2017-02-13 Duration: 60 min |
 | Season 2 Episode 13 Mr. & Mrs. Mxyzptlk Air Date: 2017-02-20 Duration: 60 min |
 | Season 2 Episode 14 Homecoming Air Date: 2017-02-27 Duration: 60 min |
 | Season 2 Episode 15 Exodus Air Date: 2017-03-06 Duration: 60 min |
 | Season 2 Episode 16 Star-Crossed Air Date: 2017-03-20 Duration: 60 min |
 | Season 2 Episode 17 Distant Sun Air Date: 2017-03-27 Duration: 60 min |
 | Season 2 Episode 18 Ace Reporter Air Date: 2017-04-24 Duration: 60 min |
 | Season 2 Episode 19 Alex Air Date: 2017-05-01 Duration: 60 min |
 | Season 2 Episode 20 City of Lost Children Air Date: 2017-05-08 Duration: 60 min |
 | Season 2 Episode 21 Resist Air Date: 2017-05-15 Duration: 60 min |
 | Season 2 Episode 22 Nevertheless, She Persisted Air Date: 2017-05-22 Duration: 60 min |
 | Season 3 Episode 1 Girl of Steel Air Date: 2017-10-09 Duration: 60 min |
 | Season 3 Episode 2 Triggers Air Date: 2017-10-16 Duration: 60 min |
 | Season 3 Episode 3 Far from the Tree Air Date: 2017-10-23 Duration: 60 min |
 | Season 3 Episode 4 The Faithful Air Date: 2017-10-30 Duration: 60 min |
 | Season 3 Episode 5 Damage Air Date: 2017-11-06 Duration: 60 min |
 | Season 3 Episode 6 Midvale Air Date: 2017-11-13 Duration: 60 min |
 | Season 3 Episode 7 Wake Up Air Date: 2017-11-20 Duration: 60 min |
 | Season 3 Episode 8 Crisis on Earth-X, Part 1 Air Date: 2017-11-27 Duration: 60 min |
 | Season 3 Episode 9 Reign Air Date: 2017-12-04 Duration: 60 min |
 | Season 3 Episode 10 Legion of Super-Heroes Air Date: 2018-01-15 Duration: 60 min |
 | Season 3 Episode 11 Fort Rozz Air Date: 2018-01-22 Duration: 60 min |
 | Season 3 Episode 12 For Good Air Date: 2018-01-29 Duration: 60 min |
 | Season 3 Episode 13 Both Sides Now Air Date: 2018-02-05 Duration: 60 min |
 | Season 3 Episode 14 Schott Through the Heart Air Date: 2018-04-16 Duration: 60 min |
 | Season 3 Episode 15 In Search of Lost Time Air Date: 2018-04-23 Duration: 60 min |
 | Season 3 Episode 16 Of Two Minds Air Date: 2018-04-30 Duration: 60 min |
 | Season 3 Episode 17 Trinity Air Date: 2018-05-07 Duration: 60 min |
 | Season 3 Episode 18 Shelter from the Storm Air Date: 2018-05-14 Duration: 60 min |
 | Season 3 Episode 19 The Fanatical Air Date: 2018-05-21 Duration: 60 min |
 | Season 3 Episode 20 Dark Side of the Moon Air Date: 2018-05-28 Duration: 60 min |
 | Season 3 Episode 21 Not Kansas Air Date: 2018-06-04 Duration: 60 min |
 | Season 3 Episode 22 Make It Reign Air Date: 2018-06-11 Duration: 60 min |
 | Season 3 Episode 23 Battles Lost and Won Air Date: 2018-06-18 Duration: 60 min |
 | Season 4 Episode 1 The American Alien Air Date: 2018-10-14 Duration: 60 min |
 | Season 4 Episode 2 Fallout Air Date: 2018-10-21 Duration: 60 min |
 | Season 4 Episode 3 Man of Steel Air Date: 2018-10-28 Duration: 60 min |
 | Season 4 Episode 4 Ahimsa Air Date: 2018-11-04 Duration: 60 min |
 | Season 4 Episode 5 Parasite Lost Air Date: 2018-11-11 Duration: 60 min |
 | Season 4 Episode 6 Call to Action Air Date: 2018-11-18 Duration: 60 min |
| Season 4 Episode 7 Rather the Fallen Angel Air Date: 2018-11-25 Duration: 60 min |
| Season 4 Episode 8 Bunker Hill Air Date: 2018-12-02 Duration: 60 min |
| Season 4 Episode 9 Elseworlds: Hour Three Air Date: 2018-12-11 Duration: 60 min |
| Season 4 Episode 10 Secrets and Lies Air Date: Duration: 60 min |
