Season Five Episode Guide

Supergirl (501) - Event Horizon

Event Horizon

Episode #: 501
Air Date: 10.06.2019
Our Rating:

With a rogue villain from the Phantom Zone on the loose, Kara and James are stunned by the news that CatCo has an ambitious new owner. Meanwhile Kara determines to let Lena in on her secret identity, knowing it might forever undermine their relationship.
Supergirl (502) - Stranger Beside Me

Stranger Beside Me

Episode #: 502
Air Date: 10.13.2019
Our Rating:

J'onn suffers from a Martian disorder after being attacked by someone claiming to be his brother, and turns to Kelly's Q wave technology for help. Kara struggles with her new boss's priorities, and Lena confronts Eve Teschmacher.
Supergirl (503) - Blurred Lines

Blurred Lines

Episode #: 503
Air Date: 10.20.2019
Our Rating:

While Kara investigates the mysterious death of a young entrepreneur, J'onn turns to Nia and her powers to explore his suppressed memories. Lena turns to Supergirl after learning that some of Lex's secret journals are being held inside a government facility, while Kelly is approached by an old "friend" from her past.
Supergirl (504) - In Plain Sight

In Plain Sight

Episode #: 504
Air Date: 10.27.2019
Our Rating:

A failed attempt to capture Malefic sends the D.E.O. team back to the drawing board, calling in Lena for help. Kelly and James take a trip back to their roots, and Kara discovers a connection between her colleague William Dey and organized crime.
Supergirl (505) - Dangerous Liaisons

Dangerous Liaisons

Episode #: 505
Air Date: 11.03.2019
Our Rating:

As Andrea Rojas's VR contact lens project prepares for its public launch, Kara and William's investigations bring them together -- with a mecha-powered killer on the loose. Lena convinces Malefic to participate in her research.
Supergirl (506) - Confidence Women

Confidence Women

Episode #: 506
Air Date: 11.10.2019
Our Rating:

A shadow warrior infiltrates the D.E.O., attempting to capture the high-powered prisoner Rip Roar. Meanwhile Andrea trusts Lena with a secret, dredging up old memories of their past friendship.
Supergirl (507) - Tremors

Tremors

Episode #: 507
Air Date: 11.17.2019
Our Rating:

Leviathan's efforts to retrieve the medallion bring an ancient warrior out of hiding -- Rama Khan, who has the power to bend the earth to his will. While J'onn discovers the truth about his brother's fate, Supergirl takes Lena to the Fortress of Solitude.
Supergirl (508) - The Wrath of Rama Khan

The Wrath of Rama Khan

Episode #: 508
Air Date: 12.01.2019
Our Rating:

With her relationship with Lena torn asunder, Supergirl is left with few options to prevent her psychic attack on the city. Meanwhile Rama Khan and his allies regroup with a new plan to retrieve the power of the medallion, and J'onn brings Malefic to the D.E.O.

Crisis on Infinite Earths, Part 1

Episode #: 509
Air Date: 12.08.2019

The Monitor sends Harbinger to gather the worlds' greatest heroes -- Supergirl, The Flash, Green Arrow, Batwoman, White Canary, The Atom and Superman -- in preparation for the impending Crisis. With their worlds in imminent danger, the superheroes suit up for battle while J'onn and Alex recruit Lena to help them find a way to save the people of Earth-38. (The CW)