Supergirl Dark Side of the Moon (Season 3, Episode 20)
TV-PG
TV Episode | 41 min | Action, Adventure, Drama

Supergirl

Dark Side of the Moon (Season 3, Episode 20)

TV-PG

TV Episode | 41 min | Action, Adventure, Drama

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

Showrunners

Jessica Queller | Robert L. Rovner

Director

Hanelle M. Culpepper (as Hanelle Culpepper)

Writers

Jerry Siegel (based on characters created by) | Joe Shuster (based on characters created by) | Greg Berlanti (developed by) | Ali Adler (developed by) & 5 more

Producers

Gabriel Llanas | Caitlin Parrish | Chris Pavoni (produced by) | Jessica Queller & 2 more

Composers

Daniel James Chan | Blake Neely

Cinematographer

James Liston

Editor

Barbara Gerard

Casting Directors

Lyndsey Baldasare | David Rapaport (as David H. Rapaport)

Production Designer

Tyler Bishop Harron (as Tyler Harron)

See all filmmakers & crew (238)

Edit Released

Updated May 28, 2018

Release date

May 28, 2018 (United States)

Awards

Series awards

15 wins & 52 nominations

Contacts

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Cast	+ Add Cast
17 cast members

Name	Known for
Melissa Benoist Kara Danvers / Supergirl Kara Danvers / Supergirl See fewer	Supergirl (2015)
Mehcad Brooks James Olsen James Olsen See fewer	Desperate Housewives (2004)
Chyler Leigh Alex Danvers Alex Danvers See fewer	Not Another Teen Movie (2001)
Jeremy Jordan Winn Schott Winn Schott See fewer	The Last Five Years (2014)
Katie McGrath Lena Luthor Lena Luthor See fewer	Jurassic World (2015)
Odette Annable Reign Reign See fewer	Cloverfield (2008)
Chris Wood Mon-El Mon-El See fewer	Containment (2016)
David Harewood J'onn J'onzz J'onn J'onzz See fewer	Blood Diamond (2006)
Erica Durance Alura Zor-El Alura Zor-El See fewer	Smallville (2001)
Emma Tremblay Ruby Arias Ruby Arias See fewer	Elysium (I) (2013)
Anjali Jay Selena Selena See fewer	Night at the Museum: Secret of the Tomb (2014)
David Chisum Ron Collins Ron Collins See fewer	Timeless (2016)
Tim Russ Jul-Us Jul-Us See fewer	Spaceballs (1987)
Carrie Anne Fleming Shopkeeper Shopkeeper See fewer	Good Luck Chuck (2007)
Benjamin Goas Val Val See fewer	The Baby-Sitters Club (2020)
Corey Schmitt Suspect Suspect See fewer	Benchwarmers 2: Breaking Balls (2019)
Celeste White Steele Argo Gentlewoman (uncredited) Argo Gentlewoman (uncredited) See fewer	Despicable Me 3 (2017)