Trinity (S03E17)
S03E17
Title: Trinity Plot: After uncovering Lena's hidden truth, Supergirl turns to Guardian for a request that might change his bond with Lena irreparably. At the same time, with the three Worldkillers now allied, Supergirl and her team prepare for a monumental confrontation.
Show
Supergirl
Episode
S03E17
Air Date
May 07, 2018
Season 3 Episodes
S03E01
Girl of Steel
S03E02
Triggers
S03E03
Far From the Tree
S03E04
The Faithful
S03E05
Damage
S03E06
Midvale
S03E07
Wake Up
S03E08
Crisis on Earth-X (I)
S03E09
Reign
S03E10
Legion of Superheroes
S03E11
Fort Rozz
S03E12
For Good
S03E13
Both Sides Now
S03E14
Schott Through the Heart
S03E15
In Search of Lost Time
S03E16
Of Two Minds
S03E17
Trinity
S03E18
Shelter from the Storm
S03E19
The Fanatical
S03E20
Dark Side of the Moon
S03E21
Not Kansas
S03E22
Make It Reign
S03E23
Battles Lost and Won