Supergirl backdrop
Supergirl S3E12 — For Good
7.2
Supergirl•Season 3•Episode 12

For Good

7.2/10 · 1,765 votesJan 29, 201842 min

Ranked #19 of 23 in Season 3•−0.3 vs season avg

Discussion

Someone tries to kill Morgan Edge and he barely survives. He accuses Lena of being behind the attempt and vows to destroy her. When Lena fears her hatred for Morgan will take her to the Luthor dark side, Kara steps in to help her friend.

Directed byTawnia McKiernan
Previous episodeE11 · Fort RozzNext episodeE13 · Both Sides Now
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons6

All123456

Season 3 Episodes23

Girl of Steel stillE1 7.6

Girl of Steel

Triggers stillE2 7.2

Triggers

Far From the Tree stillE3 7.2

Far From the Tree

The Faithful stillE4 7.4

The Faithful

Damage stillE5 7.4

Damage

Midvale stillE6 8.1

Midvale

Wake Up stillE7 7.6

Wake Up

Crisis on Earth-X (I) stillE8 8.8

Crisis on Earth-X (I)

Reign stillE9 8.5

Reign

Legion of Superheroes stillE10 7.7

Legion of Superheroes

Fort Rozz stillE11 7.5

Fort Rozz

For Good stillE12 7.2Now viewing

For Good

Both Sides Now stillE13 7.2

Both Sides Now

Schott Through the Heart stillE14 7.0

Schott Through the Heart

In Search of Lost Time stillE15 7.5

In Search of Lost Time

Of Two Minds stillE16 7.4

Of Two Minds

Trinity stillE17 7.5

Trinity

Shelter from the Storm stillE18 7.5

Shelter from the Storm

The Fanatical stillE19 6.9

The Fanatical

Dark Side of the Moon stillE20 7.3

Dark Side of the Moon

Not Kansas stillE21 6.4

Not Kansas

Make It Reign stillE22 7.3

Make It Reign

Battles Lost and Won stillE23 7.5

Battles Lost and Won

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

Crew6

Tawnia McKiernan

Tawnia McKiernan

Director

C

Cindy Lichtman

Teleplay

R

Robert Rovner

Story

A

Alix Sternberg

Teleplay

M

Matt Villeneuve

Assistant Location Manager

T

Thomas Ma

Assistant Director

Discussion

0 comments

Join the conversation

Share your take and reply to other fans.

No comments yet

Be the first to share your thoughts on this episode.

Episode Summary

"For Good" is episode 12 of Supergirl season 3. It scored 7.2/10 from 1,765 votes, ranking #19 of 23 episodes this season (season average 7.5). Directed by Tawnia McKiernan, it aired on January 29, 2018.

Next: E13 · Both Sides NowBest of Season 3