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Supergirl S03E17 — Trinity episode still
Episode Subtitles

Supergirl (2015) S03E17 — Trinity Subtitles

7.0 TMDB episode · 24 votes

Still reeling after learning about Lena’s secret, Supergirl asks Guardian for a favor that could alter his relationship with Lena forever. Meanwhile, with all three Worldkillers united, Supergirl and the team brace for an epic battle.

IMDb: tt7762812 · TMDB: 1473371

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Seasons & episodes

6 seasons · 126 episodes in the catalog

Season 120 episodes
Supergirl S01E01 — Pilot episode still
Episode 1

Pilot

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Supergirl S01E02 — Stronger Together episode still
Episode 2

Stronger Together

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Supergirl S01E03 — Fight or Flight episode still
Episode 3

Fight or Flight

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Supergirl S01E04 — Fight or Flight episode still
Episode 4

Fight or Flight

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Supergirl S01E05 — How Does She Do It? episode still
Episode 5

How Does She Do It?

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Supergirl S01E06 — Red Faced episode still
Episode 6

Red Faced

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Supergirl S01E07 — Human for a Day episode still
Episode 7

Human for a Day

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Supergirl S01E08 — Hostile Takeover episode still
Episode 8

Hostile Takeover

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Supergirl S01E09 — Blood Bonds episode still
Episode 9

Blood Bonds

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Supergirl S01E10 — Childish Things episode still
Episode 10

Childish Things

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Supergirl S01E11 — Strange Visitor From Another Planet episode still
Episode 11

Strange Visitor From Another Planet

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Supergirl S01E12 — Strange Visitor From Another Planet episode still
Episode 12

Strange Visitor From Another Planet

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Supergirl S01E13 — For The Girl Who Has Everything episode still
Episode 13

For The Girl Who Has Everything

Subtitles pending
Supergirl S01E14 — Truth, Justice and the American Way episode still
Episode 14

Truth, Justice and the American Way

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Supergirl S01E15 — Solitude episode still
Episode 15

Solitude

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Supergirl S01E16 — Falling episode still
Episode 16

Falling

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Supergirl S01E17 — Manhunter episode still
Episode 17

Manhunter

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Supergirl S01E18 — Worlds Finest episode still
Episode 18

Worlds Finest

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Supergirl S01E19 — Myriad episode still
Episode 19

Myriad

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Supergirl S01E20 — Better Angels episode still
Episode 20

Better Angels

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Season 222 episodes
Supergirl S02E01 — The Adventures of Supergirl episode still
Episode 1

The Adventures of Supergirl

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Supergirl S02E02 — The Last Children of Krypton episode still
Episode 2

The Last Children of Krypton

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Supergirl S02E03 — Welcome to Earth episode still
Episode 3

Welcome to Earth

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Supergirl S02E04 — Survivors episode still
Episode 4

Survivors

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Supergirl S02E05 — Crossfire episode still
Episode 5

Crossfire

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Supergirl S02E06 — Changing episode still
Episode 6

Changing

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Supergirl S02E07 — The Darkest Place episode still
Episode 7

The Darkest Place

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Supergirl S02E08 — Medusa (I) episode still
Episode 8

Medusa (I)

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Supergirl S02E09 — Supergirl Lives episode still
Episode 9

Supergirl Lives

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Supergirl S02E10 — We Can Be Heroes episode still
Episode 10

We Can Be Heroes

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Supergirl S02E11 — The Martian Chronicles episode still
Episode 11

The Martian Chronicles

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Supergirl S02E12 — Luthors episode still
Episode 12

Luthors

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Supergirl S02E13 — Mr. & Mrs. Mxyzptlk episode still
Episode 13

Mr. & Mrs. Mxyzptlk

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Supergirl S02E14 — Homecoming episode still
Episode 14

Homecoming

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Supergirl S02E15 — Homecoming episode still
Episode 15

Homecoming

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Supergirl S02E16 — Star-Crossed (I) episode still
Episode 16

Star-Crossed (I)

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Supergirl S02E17 — Distant Sun episode still
Episode 17

Distant Sun

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Supergirl S02E18 — Ace Reporter episode still
Episode 18

Ace Reporter

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Supergirl S02E19 — Alex episode still
Episode 19

Alex

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Supergirl S02E20 — City of Lost Children episode still
Episode 20

City of Lost Children

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Supergirl S02E21 — Resist episode still
Episode 21

Resist

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Supergirl S02E22 — Nevertheless, She Persisted episode still
Episode 22

Nevertheless, She Persisted

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Season 322 episodes
Supergirl S03E01 — Girl of Steel episode still
Episode 1

Girl of Steel

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Supergirl S03E02 — Triggers episode still
Episode 2

Triggers

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Supergirl S03E03 — Far From the Tree episode still
Episode 3

Far From the Tree

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Supergirl S03E04 — The Faithful episode still
Episode 4

The Faithful

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Supergirl S03E05 — Damage episode still
Episode 5

Damage

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Supergirl S03E06 — Midvale episode still
Episode 6

Midvale

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Supergirl S03E07 — Wake Up episode still
Episode 7

Wake Up

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Supergirl S03E09 — Reign episode still
Episode 9

Reign

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Supergirl S03E10 — Legion of Super-Heroes episode still
Episode 10

Legion of Super-Heroes

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Supergirl S03E11 — Fort Rozz episode still
Episode 11

Fort Rozz

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Supergirl S03E12 — For Good episode still
Episode 12

For Good

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Supergirl S03E13 — Both Sides Now episode still
Episode 13

Both Sides Now

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Supergirl S03E14 — Schott Through the Heart episode still
Episode 14

Schott Through the Heart

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Supergirl S03E15 — In Search of Lost Time episode still
Episode 15

In Search of Lost Time

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Supergirl S03E16 — Of Two Minds episode still
Episode 16

Of Two Minds

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Supergirl S03E17 — Trinity episode still
Episode 17

Trinity

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Supergirl S03E18 — Shelter From the Storm episode still
Episode 18

Shelter From the Storm

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Supergirl S03E19 — The Fanatical episode still
Episode 19

The Fanatical

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Supergirl S03E20 — Dark Side of the Moon episode still
Episode 20

Dark Side of the Moon

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Supergirl S03E21 — Not Kansas episode still
Episode 21

Not Kansas

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Supergirl S03E22 — Make It Reign episode still
Episode 22

Make It Reign

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Supergirl S03E23 — Battles Lost And Won episode still
Episode 23

Battles Lost And Won

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Season 422 episodes
Supergirl S04E01 — American Alien episode still
Episode 1

American Alien

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Supergirl S04E02 — Fallout episode still
Episode 2

Fallout

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Supergirl S04E03 — Man of Steel episode still
Episode 3

Man of Steel

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Supergirl S04E04 — Ahimsa episode still
Episode 4

Ahimsa

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Supergirl S04E05 — Parasite Lost episode still
Episode 5

Parasite Lost

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Supergirl S04E06 — Call to Action episode still
Episode 6

Call to Action

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Supergirl S04E07 — Rather the Fallen Angel episode still
Episode 7

Rather the Fallen Angel

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Supergirl S04E08 — Bunker Hill episode still
Episode 8

Bunker Hill

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Supergirl S04E09 — Elseworlds (III) episode still
Episode 9

Elseworlds (III)

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Supergirl S04E10 — Suspicious Minds episode still
Episode 10

Suspicious Minds

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Supergirl S04E11 — Blood Memory episode still
Episode 11

Blood Memory

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Supergirl S04E12 — Menagerie episode still
Episode 12

Menagerie

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Supergirl S04E13 — What's So Funny About Truth, Justice, and the American Way? episode still
Episode 13

What's So Funny About Truth, Justice, and the American Way?

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Supergirl S04E14 — Stand and Deliver episode still
Episode 14

Stand and Deliver

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Supergirl S04E15 — O Brother, Where Art Thou? episode still
Episode 15

O Brother, Where Art Thou?

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Supergirl S04E16 — The House of L episode still
Episode 16

The House of L

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Supergirl S04E17 — All About Eve episode still
Episode 17

All About Eve

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Supergirl S04E18 — Crime and Punishment episode still
Episode 18

Crime and Punishment

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Supergirl S04E19 — American Dreamer episode still
Episode 19

American Dreamer

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Supergirl S04E20 — Will The Real Miss Tessmacher Please Stand Up? episode still
Episode 20

Will The Real Miss Tessmacher Please Stand Up?

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Supergirl S04E21 — Red Dawn episode still
Episode 21

Red Dawn

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Supergirl S04E22 — The Quest for Peace episode still
Episode 22

The Quest for Peace

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Season 520 episodes
Supergirl S05E01 — Event Horizon episode still
Episode 1

Event Horizon

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Supergirl S05E02 — Stranger Beside Me episode still
Episode 2

Stranger Beside Me

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Supergirl S05E03 — Blurred Lines episode still
Episode 3

Blurred Lines

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Supergirl S05E04 — In Plain Sight episode still
Episode 4

In Plain Sight

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Supergirl S05E05 — Dangerous Liaisons episode still
Episode 5

Dangerous Liaisons

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Supergirl S05E06 — Confidence Women episode still
Episode 6

Confidence Women

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Supergirl S05E07 — Tremors episode still
Episode 7

Tremors

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Supergirl S05E08 — The Wrath of Rama Khan episode still
Episode 8

The Wrath of Rama Khan

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Supergirl S05E08 — The Wrath of Rama Khan episode still
Episode 8

The Wrath of Rama Khan

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Supergirl S05E09 — Crisis on Infinite Earths: Part One (I) episode still
Episode 9

Crisis on Infinite Earths: Part One (I)

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Supergirl S05E10 — The Bottle Episode episode still
Episode 10

The Bottle Episode

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Supergirl S05E11 — Back From The Future - Part One episode still
Episode 11

Back From The Future - Part One

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Supergirl S05E12 — Back From The Future - Part Two episode still
Episode 12

Back From The Future - Part Two

Subtitles pending
Supergirl S05E13 — It's a Super Life episode still
Episode 13

It's a Super Life

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Supergirl S05E14 — The Bodyguard episode still
Episode 14

The Bodyguard

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Supergirl S05E15 — Reality Bytes episode still
Episode 15

Reality Bytes

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Supergirl S05E16 — Alex in Wonderland episode still
Episode 16

Alex in Wonderland

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Supergirl S05E17 — Alex in Wonderland episode still
Episode 17

Alex in Wonderland

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Supergirl S05E18 — The Missing Link episode still
Episode 18

The Missing Link

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Supergirl S05E19 — Immortal Kombat episode still
Episode 19

Immortal Kombat

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Season 620 episodes
Supergirl S06E01 — Rebirth episode still
Episode 1

Rebirth

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Supergirl S06E02 — A Few Good Women episode still
Episode 2

A Few Good Women

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Supergirl S06E03 — Phantom Menaces episode still
Episode 3

Phantom Menaces

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Supergirl S06E04 — Lost Souls episode still
Episode 4

Lost Souls

Subtitles pending
Supergirl S06E05 — Prom Night! (1) episode still
Episode 5

Prom Night! (1)

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Supergirl S06E06 — Prom Again! (2) episode still
Episode 6

Prom Again! (2)

Subtitles pending
Supergirl S06E07 — Fear Knot episode still
Episode 7

Fear Knot

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Supergirl S06E08 — Welcome Back, Kara episode still
Episode 8

Welcome Back, Kara

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Supergirl S06E09 — Dream Weaver episode still
Episode 9

Dream Weaver

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Supergirl S06E10 — Still I Rise episode still
Episode 10

Still I Rise

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Supergirl S06E11 — Mxy in the Middle episode still
Episode 11

Mxy in the Middle

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Supergirl S06E12 — Blind Spots episode still
Episode 12

Blind Spots

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Supergirl S06E13 — The Gauntlet episode still
Episode 13

The Gauntlet

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Supergirl S06E14 — Magical Thinking episode still
Episode 14

Magical Thinking

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Supergirl S06E15 — Hope for Tomorrow episode still
Episode 15

Hope for Tomorrow

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Supergirl S06E16 — Nightmare in National City episode still
Episode 16

Nightmare in National City

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Supergirl S06E17 — I Believe In A Thing Called Love episode still
Episode 17

I Believe In A Thing Called Love

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Supergirl S06E18 — Truth or Consequences episode still
Episode 18

Truth or Consequences

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Supergirl S06E19 — The Last Gauntlet episode still
Episode 19

The Last Gauntlet

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Supergirl S06E20 — Kara episode still
Episode 20

Kara

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