Make it Reign: Supergirl, Mon-El and Alura must devise a plan to stop Selena when they learn the true depth of her nefarious plan for Earth. (S3, ep 22) [S]
Not Kansas: Kara's caught in a conundrum as she considers a major life change. Meanwhile, J'onn's shocked to learn DEO-calibre guns have hit National City's streets. (S3, ep 21) [S]
Dark Side of the Moon: There's a shock in store for Supergirl when she finds out that part of Krypton survived. Alex gets attacked while she's out with Ruby. (S3, ep 20) [S]
The Fanatical: Tanya flees Coville's cult and gives Supergirl a journal that could be key to saving Sam. Someone threatens to expose Guardian's identity. (S3, ep 19) [S]
Shelter from the Storm: Supergirl and Alex fight to protect Ruby from Reign. Supergirl and J'onn receive some shocking news when they seek help from Sam's mum. (S3, ep 18) [S]
Trinity: With all three Worldkillers united, Supergirl and her team brace themselves for an almighty battle. Plus, Kara asks a big favour of Guardian. (S3, ep 17) [S]
Of Two Minds: Supergirl and Imra team up when a third World Killer shows up. But they have very different ideas about how to stop the threat. (S3, ep 16) [S]
In Search of Lost Time: J'onn faces the truth about his father when Myr'nn causes disturbances at the DEO. Mon-EL teaches Kara how to fight a World Killer. (S3, ep 15) [S]
Schott through the Heart: A copycat Toyman strikes, forcing Winn to team up with his estranged mum (Oscar-nominated Lady Bird star Laurie Metcalf). (S3, ep 14) [S]
Both Sides Now: The DEO gets hold of a second Worldkiller. But can Kara and Alex convince her to talk? J'onn, Winn and Mon-El team up to fix the Legion ship. (S3, ep 13) [S]
Fort Rozz: Supergirl teams up with Saturn Girl, Livewire and Psi on a crucial mission to Fort Rozz. But when Reign strikes, one of them pays the ultimate price. (S3, ep 11) [S]
Legion of Super-Heroes: Mon-El hopes genius Legion member Brainiac-5 can snap Supergirl out of her coma. The DEO gets help in its fight against Reign's rampage. (S3, ep 10) [S]
Reign: Supergirl investigates when a strange symbol pops up in National City. James is forced to step in as tension builds between Lena and Morgan. (S3, ep 9) [S]
Crisis on Earth-X, Part 1: Barry and Iris's wedding brings The Flash, Arrow, Supergirl and DC's Legends of Tomorrow gangs together in an epic crossover event. (S3, ep 8) [S]
Wake Up: Supergirl springs into action when the team discovers an alien ship has crash landed under National City. Meanwhile, Hank tries to bond with his father. (S3, ep 7) [S]
Midvale: Kara heads home to Midvale. But all hopes of some R&R are dashed when her visit forces her to recall a painful childhood memory. (S3, ep 6) [S]
Damage: Lena's in for a hard time when she's blamed for making countless children ill. Kara steps in to clear her name. But it's not as easy as she thought. (S3, ep 5) [S]
The Faithful: J'onn fesses up to an old secret. Kara investigates the leader of a new and secretive group, who has a rather strange connection to Supergirl. (S3, ep 4) [S]
Far from the Tree: Supergirl joins J'onn on a personal mission, while a wedding shower encourages Maggie to reach out to her estranged father. With Helen Slater. (S3, ep 3) [S]
The Faithful: J'onn fesses up to an old secret. Kara investigates the leader of a new and secretive group, who has a rather strange connection to Supergirl. (S3, ep 4) [S]
Far from the Tree: Supergirl joins J'onn on a personal mission, while a wedding shower encourages Maggie to reach out to her estranged father. With Helen Slater. (S3, ep 3) [S]
Girl of Steel: A string of new and menacing villains await Supergirl as she flies back into action for a third season of the hit superhero drama. (S3, ep 1) [S]
City of Lost Children: The responsibility falls on James when an alien strikes National City. Meanwhile, Rhea escalates her dangerous plan. (S2, ep 20) [S]
Ace Reporter: Lives are cast into jeopardy when Kara questions Lena's ex-boyfriend Jack Spheer about his recent scientific breakthrough. (S2, ep 18) [S]
Distant Sun: Aliens travel from far and wide to take out Supergirl when a bounty is placed on her head. Hank gets an intriguing order from President Marsdin. (S2, ep 17) [S]
Star-Crossed: Supergirl is on high alert when villain the Music Meister (Glee's Darren Criss) descends on National City. Teri Hatcher guest stars. (S2, ep 16) [S]
Supergirl Lives: Kara lands herself in trouble when she disobeys Snapper Carr's orders by investigating the disturbing case of a missing young woman. (S2, ep 9) [S]
Childish Things: Kara offers to help Winn when his homicidal father breaks out of prison. Alex convinces Hank to get inside Lord Industries. Contains violence. (S1, ep 10) [S]
Blood Bonds: Supergirl retakes to the skies as the hit series returns. Kara tries to protect her identity. Meanwhile, Astra's husband kidnaps Hank. Violence/flashing images. (S1, ep 9) [S]
Hostile Takeover: Kara goes head to head with her Aunt Astra after she challenges her beliefs about her mother, while a hacker exposes Cat's emails. Violence/sex/flashing images. (S1, ep 8) [S]
Human For A Day: Kara and her friends draw on all their courage when an earthquake hits. Alex is made to distrust Hank even more. Violence/flashing images. (S1, ep 7) [S,AD]
Red Faced: Stress gets the better of Kara when she pushes herself too far during a training exercise against military cyborg Red Tornado. Violence/flashing images. (S1, ep 6) [S,AD]
How Does She Do It?: Kara struggles to juggle her two lives when National City comes under threat while she is babysitting Cat's son. Strong language/flashing images. (S1, ep 5) [S,AD]
Livewire: Kara and her boss come under threat from a volatile CatCo employee who undergoes a major transformation. Plus, Kara's mother arrives. Violence/sex/flashing images. (S1, ep 4) [S,AD]
Fight Or Flight: Supergirl's powers are put to the test when Reactron, one of her cousin Superman's most formidable enemies, shows up in National City. Violence/flashing images. (S1, ep 3) [S,AD]
Stronger Together: Doubts start to form in Kara's mind when her attempts to protect National City fail to go to plan. Violence/flashing images. (S1, ep 2) [S,AD]
Pilot: After years of keeping them a secret, Kara Zor-El (Melissa Benoist) embraces her superpowers to protect her city. Violence/flashing images. (S1, ep 1) [S,AD]
Nevertheless, She Persisted: Supergirl challenges Rhea as she fights to save National City. Superman returns and Cat offers up some wise advice. Season finale. (S2, ep 22) [S]
Resist: Kara is caught in a dilemma as she questions whether to accept the president's orders regarding Rhea. Plus, Cat Grant returns to National City. (S2, ep 21) [S]
Resist: Kara is caught in a dilemma as she questions whether to accept the president's orders regarding Rhea. Plus, Cat Grant returns to National City. (S2, ep 21) [S]
City of Lost Children: The responsibility falls on James when an alien strikes National City. Meanwhile, Rhea escalates her dangerous plan. (S2, ep 20) [S]
City of Lost Children: The responsibility falls on James when an alien strikes National City. Meanwhile, Rhea escalates her dangerous plan. (S2, ep 20) [S]
City of Lost Children: The responsibility falls on James when an alien strikes National City. Meanwhile, Rhea escalates her dangerous plan. (S2, ep 20) [S]
Ace Reporter: Lives are cast into jeopardy when Kara questions Lena's ex-boyfriend Jack Spheer about his recent scientific breakthrough. (S2, ep 18) [S]