Episodes
- S3 E1 - Girl of Steel1hKara focuses on a mysterious new threat.This video is currently unavailable
- S3 E2 - Triggers1hA thief who has psychic powers attacks.This video is currently unavailable
- S3 E3 - Far From the Tree1hMaggie reaches out to her father.This video is currently unavailable
- S3 E4 - The Faithful1hKara investigates a new group.This video is currently unavailable
- S3 E5 - Damage1hLena is blamed for children's sickness.This video is currently unavailable
- S3 E6 - Midvale1hKara and Alex head home to Midvale.This video is currently unavailable
- S3 E7 - Wake Up1hAn alien ship crash lands.This video is currently unavailable
- S3 E8 - Crisis on Earth-X, Part 11hVillains from Earth-X attack.This video is currently unavailable
- S3 E9 - Reign1hA mysterious symbol appears in the city.This video is currently unavailable
- S3 E10 - Legion of Superheroes1hSupergirl remains in a dreamlike state.This video is currently unavailable
- S3 E11 - Fort Rozz1hSupergirl looks for Reign's weakness.This video is currently unavailable
- S3 E12 - For Good1hLena is threatened by Morgan.This video is currently unavailable
- S3 E13 - Both Sides Now1hThe DEO captures a second Worldkiller.This video is currently unavailable
- S3 E14 - Schott Through the Heart1hWinn's estranged mother visits.This video is currently unavailable
- S3 E15 - In Search of Lost Time1hMyr'nn causes psychic disturbances.This video is currently unavailable
- S3 E16 - Of Two Minds1hSupergirl and Imra team up.This video is currently unavailable
- S3 E17 - Trinity1hSupergirl braces for battle.This video is currently unavailable
- S3 E18 - Shelter From the Storm1hSupergirl must protect Ruby from Reign.This video is currently unavailable
- S3 E19 - The Fanatical1hSomeone threatens to expose James.This video is currently unavailable
- S3 E20 - Dark Side of the Moon1hSupergirl learns a secret about Krypton.This video is currently unavailable
- S3 E21 - Not Kansas1hKara makes a major life decision.This video is currently unavailable
- S3 E22 - Make It Reign50minSupergirl learns of Serena's plans.This video is currently unavailable
- S3 E23 - Battles Lost and Won1hSupergirl and the team battle Serena.This video is currently unavailable