Supergirl - Season 3: Episode 17
Episode Title: Trinity
Air Date:
07 May 2018
Episode Description
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.
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Episode 1
Pilot
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Stronger Together
Episode 3
Fight or Flight
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Livewire
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How Does She Do It?
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Red Faced
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Human for a Day
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Hostile Takeover
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Blood Bonds
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Childish Things
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Strange Visitor from Another Planet
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Bizarro
Episode 13
For The Girl Who Has Everything
Episode 14
Truth, Justice and the American Way
Episode 15
Solitude
Episode 16
Falling
Episode 17
Manhunter
Episode 18
Worlds Finest
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Myriad
Episode 20
Better Angels
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The Adventures of Supergirl
Episode 2
The Last Children of Krypton
Episode 3
Welcome to Earth
Episode 4
Survivors
Episode 5
Crossfire
Episode 6
Changing
Episode 7
The Darkest Places
Episode 8
Medusa (I)
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Supergirl Lives
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We Can Be Heroes
Episode 11
The Martian Chronicles
Episode 12
Luthors
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Mr. & Mrs. Mxyzptlk
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Homecoming
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Exodus
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Star-Crossed (I)
Episode 17
Distant Sun
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Ace Reporter
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Alex
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City of Lost Children
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Resist
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Nevertheless, She Persisted
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Girl of Steel
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Triggers
Episode 3
Far From the Tree
Episode 4
The Faithful
Episode 5
Damage
Episode 6
Midvale
Episode 7
Wake Up
Episode 8
Crisis on Earth-X (I)
Episode 9
Reign
Episode 10
Legion of Superheroes
Episode 11
Fort Rozz
Episode 12
For Good
Episode 13
Both Sides Now
Episode 14
Schott Through the Heart
Episode 15
In Search of Lost Time
Episode 16
Of Two Minds
Episode 17
Trinity
Episode 18
Shelter from the Storm
Episode 19
The Fanatical
Episode 20
Dark Side of the Moon
Episode 21
Not Kansas
Episode 22
Make It Reign
Episode 23
Battles Lost and Won
Episode 1
American Alien
Episode 2
Fallout
Episode 3
Man of Steel
Episode 4
Ahimsa
Episode 5
Parasite Lost
Episode 6
Call to Action
Episode 7
Rather the Fallen Angel
Episode 8
Bunker Hill
Episode 9
Elseworlds (III)
Episode 10
Suspicious Minds
Episode 11
Blood Memory
Episode 12
Menagerie
Episode 13
What's So Funny About Truth, Justice, and the American Way?
Episode 14
Stand and Deliver
Episode 15
O Brother, Where Art Thou?
Episode 16
The House of L
Episode 17
All About Eve
Episode 18
Crime and Punishment
Episode 19
American Dreamer
Episode 20
Will The Real Miss Tessmacher Please Stand Up?
Episode 21
Red Dawn
Episode 22
The Quest for Peace
Episode 1
Event Horizon
Episode 2
Stranger Beside Me
Episode 3
Blurred Lines
Episode 4
In Plain Sight
Episode 5
Dangerous Liaisons
Episode 6
Confidence Women
Episode 7
Tremors
Episode 8
The Wrath of Rama Khan
Episode 9
Crisis on Infinite Earths: Part One (I)
Episode 10
The Bottle Episode
Episode 11
Back from the Future (1)
Episode 12
Back from the Future (2)
Episode 13
It's a Super Life
Episode 14
The Bodyguard
Episode 15
Reality Bytes
Episode 16
Alex in Wonderland
Episode 17
Deus Lex Machina
Episode 18
The Missing Link
Episode 19
Immortal Kombat
Episode 1
Rebirth
Episode 2
A Few Good Women
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Phantom Menaces
Episode 4
Lost Souls
Episode 5
Prom Night! (1)
Episode 6
Prom Again! (2)
Episode 7
Fear Knot
Episode 8
Welcome Back, Kara
Episode 9
Dream Weaver
Episode 10
Still I Rise
Episode 11
Mxy in the Middle
Episode 12
Blind Spots
Episode 13
The Gauntlet
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Magical Thinking
Episode 15
Hope for Tomorrow
Episode 16
Nightmare in National City
Episode 17
I Believe in a Thing Called Love
Episode 18
Truth or Consequences
Episode 19
The Last Gauntlet
Episode 20
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