Distant Sun - SupergirlA large bounty is put out on Supergirl and aliens from far and near attack National City intent on taking out the woman of steel.
Star-Crossed - SupergirlA new villain comes to National City, putting Supergirl on high alert.
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'The Flash' And 'Supergirl' Musical Crossover Teaser And Photos RevealedIt's no secret to many that "The Flash" cast is stacked with musical phenoms.
Exodus - SupergirlAs Alex searches for Jeremiah and Kara investigates a series of alien kidnappings, the sisters realize they must break the rules to foil a new Cadmus plot.
Homecoming - SupergirlWhen Jeremiah Danvers (guest star Dean Cain) is rescued from Cadmus, Alex (Chyler Leigh) and Kara (Melissa Benoist) are thrilled to have their father back.
The Martian Chronicles – SupergirlArmek a White Martian, descends on National City intent on taking M’gann back to Mars to face her punishment as a traitor.
Survivors - SupergirlWhen Kara and Alex investigate the murder of an unregistered alien, the trail leads to an alien fight club run by Roulette, the ringmaster who commands aliens to fight in mortal combat for the entertainment of rich humans.
Welcome to Earth - SupergirlAn attack is made on the President (guest star Lynda Carter) as hot-button, alien vs. human rights issues heat up in National City.
Medusa - SupergirlEliza comes to town to celebrate Thanksgiving with her daughters.
The Darkest Place - SupergirlWhile Guardian (Mehcad Brooks) tries to clear his name after being accused of a murder committed by another vigilante, Supergirl heads out on a solo mission to rescue Mon-El who has been captured by CADMUS.
Changing - SupergirlThe Guardian debuts to lend a hand after a parasite alien drains Supergirl of her power.