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Supergirl S3E20 — Dark Side of the Moon
7.3
Supergirl•Season 3•Episode 20

Dark Side of the Moon

7.3/10 · 1,587 votesMay 28, 201842 min

Ranked #15 of 23 in Season 3•−0.2 vs season avg

Discussion

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.

Directed byHanelle M. Culpepper
Written byDerek Simon, Katie Rose Rogers
Previous episodeE19 · The FanaticalNext episodeE21 · Not Kansas
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All123456

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Cast8

Melissa Benoist

Melissa Benoist

Kara Danvers / Supergirl / Kara Zor-El

Chyler Leigh

Chyler Leigh

Alex Danvers / Sentinel

David Harewood

David Harewood

J'onn J'onzz / Martian Manhunter

Katie McGrath

Katie McGrath

Lena Luthor

Odette Annable

Odette Annable

Samantha Arias / Reign

Chris Wood

Chris Wood

Mon-El

Jeremy Jordan

Jeremy Jordan

Winn Schott

Mehcad Brooks

Mehcad Brooks

Jimmy Olsen / Guardian

Crew5

D

Derek Simon

Writer

Hanelle M. Culpepper

Hanelle M. Culpepper

Director

K

Katie Rose Rogers

Writer

M

Matt Villeneuve

Assistant Location Manager

T

Thomas Ma

Assistant Director

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Episode Summary

"Dark Side of the Moon" is episode 20 of Supergirl season 3. It scored 7.3/10 from 1,587 votes, ranking #15 of 23 episodes this season (season average 7.5). Directed by Hanelle M. Culpepper and written by Derek Simon, Katie Rose Rogers, it aired on May 28, 2018.

Next: E21 · Not KansasBest of Season 3