| episode | air date | countdown | title |
| S06E20 | 2021-11-09 | | Kara | |
| S06E19 | 2021-11-09 | | The Last Gauntlet | |
| S06E17 | 2021-10-26 | | I Believe in a Thing Called Love | |
| S06E18 | 2021-11-02 | | Truth or Consequences | |
| S06E16 | 2021-10-19 | | Nightmare in National City | |
| S06E15 | 2021-10-12 | | Hope for Tomorrow | |
| S06E14 | 2021-10-05 | | Magical Thinking | |
| S06E12 | 2021-09-21 | | Blind Spots | |
| S06E10 | 2021-09-07 | | Still I Rise | |
| S06E13 | 2021-09-28 | | The Gauntlet | |
| S06E11 | 2021-09-14 | | Mxy in the Middle | |
| S06E09 | 2021-08-31 | | Dream Weaver | |
| S06E08 | 2021-08-24 | | Welcome Back, Kara | |
| S06E07 | 2021-05-11 | | Fear Knot | |
| S06E06 | 2021-05-04 | | Prom Again! (2) | |
| S06E05 | 2021-04-27 | | Prom Night! (1) | |
| S06E04 | 2021-04-20 | | Lost Souls | |
| S06E03 | 2021-04-13 | | Phantom Menaces | |
| S06E02 | 2021-04-06 | | A Few Good Women | |
| S06E01 | 2021-03-30 | | Rebirth | |
|
| |
| S05E19 | 2020-05-17 | | Immortal Kombat | |
| S05E17 | 2020-05-03 | | Deus Lex Machina | |
| S05E18 | 2020-05-10 | | The Missing Link | |
| S05E16 | 2020-03-22 | | Alex in Wonderland | |
| S05E15 | 2020-03-15 | | Reality Bytes | |
| S05E14 | 2020-03-08 | | The Bodyguard | |
| S05E13 | 2020-02-23 | | It's a Super Life | |
| S05E12 | 2020-02-16 | | Back From the Future (2) | |
| S05E11 | 2020-01-26 | | Back From the Future (1) | |
| S05E10 | 2020-01-19 | | The Bottle Episode | |
| S05E09 | 2019-12-08 | | Crisis on Infinite Earths (1) | |
| S05E08 | 2019-12-01 | | The Wrath of Rama Khan | |
| S05E07 | 2019-11-17 | | Tremors | |
| S05E06 | 2019-11-10 | | Confidence Women | |
| S05E05 | 2019-11-03 | | Dangerous Liaisons | |
| S05E01 | 2019-10-06 | | Event Horizon | |
|
| S05E04 | 2019-10-27 | | In Plain Sight | |
| S05E03 | 2019-10-20 | | Blurred Lines | |
| S05E02 | 2019-10-13 | | Stranger Beside Me | |
| |
| S04E22 | 2019-05-19 | | The Quest for Peace | |
| S04E21 | 2019-05-12 | | Red Dawn | |
| S04E20 | 2019-05-05 | | Will The Real Miss Tessmacher Please Stand Up? | |
| S04E19 | 2019-04-28 | | American Dreamer | |
| S04E18 | 2019-04-21 | | Crime and Punishment | |
| S04E17 | 2019-03-31 | | All About Eve | |
| S04E16 | 2019-03-24 | | The House of L | |
| S04E15 | 2019-03-17 | | O Brother, Where Art Thou? | |
| S04E14 | 2019-03-10 | | Stand and Deliver | |
| S04E13 | 2019-03-03 | | What's So Funny About Truth, Justice, and the | |
| S04E12 | 2019-02-17 | | Menagerie | |
| S04E11 | 2019-01-27 | | Blood Memory | |
| S04E10 | 2019-01-20 | | Suspicious Minds | |
| S04E08 | 2018-12-02 | | Bunker Hill | |
| S04E09 | 2018-12-11 | | Elseworlds (3) | |
| S04E07 | 2018-11-25 | | Rather the Fallen Angel | |
| S04E06 | 2018-11-18 | | Call to Action | |
| S04E05 | 2018-11-11 | | Parasite Lost | |
| S04E04 | 2018-11-04 | | Ahimsa | |
| S04E03 | 2018-10-28 | | Man of Steel | |
| S04E02 | 2018-10-21 | | Fallout | |
| S04E01 | 2018-10-14 | | American Alien | |
| |
| S03E23 | 2018-06-18 | | Battles Lost and Won | |
| S03E22 | 2018-06-11 | | Make It Reign | |
| S03E21 | 2018-06-04 | | Not Kansas | |
| S03E20 | 2018-05-28 | | Dark Side of the Moon | |
| S03E19 | 2018-05-21 | | The Fanatical | |
| S03E18 | 2018-05-14 | | Shelter from the Storm | |
| S03E17 | 2018-05-07 | | Trinity | |
| S03E16 | 2018-04-30 | | Of Two Minds | |
| S03E15 | 2018-04-23 | | In Search of Lost Time | |
| S03E14 | 2018-04-16 | | Schott Through the Heart | |
| S03E13 | 2018-02-05 | | Both Sides Now | |
| S03E12 | 2018-01-29 | | For Good | |
| S03E11 | 2018-01-22 | | Fort Rozz | |
| S03E10 | 2018-01-15 | | Legion of Superheroes | |
| S03E09 | 2017-12-04 | | Reign | |
| S03E07 | 2017-11-20 | | Wake Up | |
| S03E06 | 2017-11-13 | | Midvale | |
| S03E05 | 2017-11-06 | | Damage | |
| S03E04 | 2017-10-30 | | The Faithful | |
| S03E03 | 2017-10-23 | | Far From the Tree | |
| S03E02 | 2017-10-16 | | Triggers | |
| S03E08 | 2017-11-27 | | Crisis on Earth-X (1) | |
| S03E01 | 2017-10-09 | | Girl of Steel | |
| |
| S02E22 | 2017-05-22 | | Nevertheless, She Persisted | |
| S02E21 | 2017-05-15 | | Resist | |
| S02E20 | 2017-05-08 | | City of Lost Children | |
| S02E19 | 2017-05-01 | | Alex | |
| S02E18 | 2017-04-24 | | Ace Reporter | |
| S02E17 | 2017-03-27 | | Distant Sun | |
| S02E15 | 2017-03-06 | | Exodus | |
| S02E14 | 2017-02-27 | | Homecoming | |
| S02E16 | 2017-03-20 | | Star-Crossed (1) | |
| S02E13 | 2017-02-20 | | Mr. & Mrs. Mxyzptlk | |
| S02E12 | 2017-02-13 | | Luthors | |
| S02E11 | 2017-02-06 | | The Martian Chronicles | |
| S02E10 | 2017-01-30 | | We Can Be Heroes | |
| S02E07 | 2016-11-21 | | The Darkest Place | |
| S02E06 | 2016-11-14 | | Changing | |
| S02E08 | 2016-11-28 | | Medusa (1) | |
| S02E05 | 2016-11-07 | | Crossfire | |
| S02E09 | 2017-01-23 | | Supergirl Lives | |
| S02E04 | 2016-10-31 | | Survivors | |
| S02E03 | 2016-10-24 | | Welcome to Earth | |
| S02E02 | 2016-10-17 | | The Last Children of Krypton | |
| S02E01 | 2016-10-10 | | The Adventures of Supergirl | |
| |
| S01E20 | 2016-04-18 | | Better Angels | |
| S01E19 | 2016-04-11 | | Myriad | |
| S01E17 | 2016-03-21 | | Manhunter | |
| S01E16 | 2016-03-14 | | Falling | |
| S01E15 | 2016-02-29 | | Solitude | |
| S01E18 | 2016-03-28 | | Worlds Finest | |
| S01E14 | 2016-02-22 | | Truth, Justice and the American Way | |
| S01E13 | 2016-02-08 | | For the Girl Who Has Everything | |
| S01E12 | 2016-02-01 | | Bizarro | |
| S01E11 | 2016-01-25 | | Strange Visitor from Another Planet | |
| S01E10 | 2016-01-18 | | Childish Things | |
| S01E09 | 2016-01-04 | | Blood Bonds | |
| S01E08 | 2015-12-14 | | Hostile Takeover | |
| S01E07 | 2015-12-07 | | Human for a Day | |
| S01E06 | 2015-11-30 | | Red Faced | |
| S01E04 | 2015-11-16 | | Livewire | |
| S01E05 | 2015-11-23 | | How Does She Do It? | |
| S01E02 | 2015-11-02 | | Stronger Together | |
| S01E03 | 2015-11-09 | | Fight or Flight | |
| S01E01 | 2015-10-26 | | Pilot | |
