Back From the Future – Part Two - SupergirlSupergirl helps Winn face his greatest fear. 
Dangerous Liaisons - SupergirlOn the eve of the worldwide launch of Andrea Rojas’s VR contact lenses, Kara and William team up on an investigation that exposes a terrorist plot.
In Plain Sight - SupergirlKara’s investigation into William Dey’s “criminal” activities results in the shocking revelation he is not who she thinks.
Back From the Future – Part One - SupergirlAs Supergirl (Melissa Benoist) tries to thwart a Toyman copycat, Winn Schott returns from the future.
The Bottle Episode - SupergirlThe subsequent complications from the Crisis leave Supergirl to face a chaotic threat.
Blurred Lines - SupergirlKara attempts to mend her relationship with Lena
Crisis on Infinite Earths: Part One - SupergirlThe Monitor sends Harbinger to gather the worlds’ greatest heroes.
Stranger Beside Me - SupergirlSupergirl, Alex, and Brainiac thwart an alien attack while William investigates Kara.
Crisis on Infinite Earths: Part One - SupergirlThe Monitor sends Harbinger to gather the worlds’ greatest heroes.
The Wrath of Rama Khan - SupergirlSupergirl’s struggle against Leviathan reaches a boiling point as she faces off against Rama Khan.
Event Horizon - SupergirlKara is surprised to find that CatCo has a new owner who has brought in a star reporter.
Tremors - SupergirlSupergirl finally learns the truth about Lena while tangling with Leviathan. 
Confidence Women - SupergirlWhile a new villain is under arrest at the DEO, Supergirl uses him to try and understand who is responsible for the recent attacks. 
Dangerous Liaisons - SupergirlOn the eve of the worldwide launch of Andrea Rojas’s VR contact lenses, Kara and William team up on an investigation that exposes a terrorist plot.
In Plain Sight - SupergirlKara’s investigation into William Dey’s “criminal” activities results in the shocking revelation he is not who she thinks.