The Best Episodes Written By Katie Rose Rogers

Roy Cohn’s obsession with David Schine leads to the televised Army-McCarthy hearings. Exposed to McCarthy’s – and Hawk’s – true natures, Tim makes a life-changing decision about his future.

Director: James Kent

Writer: Katie Rose Rogers

Myr'nn inadvertently causes psychic disturbances at the DEO; Supergirl must work with J'onn to contain the chaos; Mon-El begins training Kara in fighting techniques he's learned in the future.

Director: Andi Armaganian

Writer: Katie Rose Rogers

A new villain comes to National City, putting Supergirl on high alert. Meanwhile, Winn’s girlfriend, Lyra, gets Winn in trouble with the law. Maggie attempts to help Winn but old loyalties get in the way. The Music Meister attacks Supergirl. The crossover continues on The Flash S03E17 Duet (II).

Director: John Medlen

Writer: Katie Rose Rogers

Kara investigates a secretive new group whose leader, Thomas Coville, has a mysterious connection to Supergirl. Meanwhile, Samantha feels like she's letting Ruby down, and J'onn confesses an old secret.

Director: Jesse Warn

Writer: Katie Rose Rogers

After Livewire seemingly breaks out of prison, Supergirl is intent on recapturing her. After training Mon-El, Supergirl takes him with her when she sees Livewire attack the NCPD but things go awry when Mon-El puts Supergirl before the citizens of National City. Meanwhile, James decides to come clean with Kara and M’Gann, has a psychic attack and collapses into a coma.

Director: Rebecca Johnson

Writer: Katie Rose Rogers

Supergirl is stunned to discover that a part of Krypton survived. Meanwhile, Alex is attacked while out with Ruby, and Lena considers how far she will go to keep Reign contained.

Director: Hanelle M. Culpepper

Writer: Katie Rose Rogers

When Supergirl needs help, Alex asks Lena and Brainiac to team up. Meanwhile, J’onn questions his decision to quit the DEO. However, after running into Manchester Black, he realizes there are a lot of ways to help his fellow aliens during this tumultuous time.

Director: Armen V. Kevorkian

Writer: Katie Rose Rogers

James falls in deeper with the Children of Liberty in his efforts to meet Agent Liberty. Meanwhile, Supergirl and Manchester Black follow a lead on Agent Liberty’s location, but things take a dark turn. Lena kicks off her first set of trials.

Director: Chad Lowe

Writer: Katie Rose Rogers

Supergirl finally learns the truth about Lena while tangling with Leviathan. J'onn J'onn makes a discovery about his brother's whereabouts.

Director: Andi Armaganian

Writer: Katie Rose Rogers

Supergirl must deal with the destructive aftermath of Lex's nefarious plans. Shocked at what Lex has created, Supergirl faces her biggest challenge yet.

Director: Ben Hernandez Bray

Writer: Katie Rose Rogers

Kara and Lena head to Kaznia to hunt down Lex. However, Eve Tessmacher sets a trap for the duo that could ultimately reveal that Kara is Supergirl. Meanwhile, Alex gets a long-awaited phone call, James practices using his powers, and Ben Lockwood takes a dangerous stand inside the DEO.

Director: Shannon Kohli

Writer: Katie Rose Rogers

Lex proceeds to lay an intricate plan to bring Lena closer to him, defeat Leviathan’s latest attack, and pit Supergirl and team against Leviathan. It is also revealed how Lex came into power after Crisis.

Director: Melissa Benoist

Writer: Katie Rose Rogers

As Supergirl tries to thwart a Toyman copycat, Winn Schott returns from the future.

Director: David Harewood

Writer: Katie Rose Rogers

Supergirl, Alex, and Brainiac thwart an alien attack while William investigates Kara. J'onn J'onzz and Kelly use Obsidian tech to solve a problem.

Director: David McWhirter

Writer: Katie Rose Rogers