‘Supergirl’ 3×17 Photos & Synopsis: “Trinity”

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In the May 7th episode of Supergirl,  all three worldkillers are now making a united front and Kara and team go up against them. Also, Kara turns to James for a favor when she discovers Lena’s secret that doesn’t settle well with her.

Official synopsis:

Still reeling after learning about Lena’s (Katie McGrath) secret, Supergirl (Melissa Benoist) asks Guardian (Mehcad Brooks) 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. 

What could Lena’s secret be that doesn’t sit well with Kara that makes Kara ask James for a favor that would change his and Lena’s relationship?? We will have to tune in to find out.

I’m more excited to see the epic battle with all three worldkillers, though.

Supergirl airs Mondays at 8/7c on The CW.

Supergirl — “Trinity” — Image Number: SPG317b_0263.jpg — Pictured (L-R): Chris Wood as Mon-El and Amy Jacksin as Imra Ardeen/Saturn Girl — Photo: Jack Rowand/The CW — © 2018 The CW Network, LLC. All Rights Reserved.

Supergirl — “Trinity” — Image Number: SPG317b_0224.jpg — Pictured: Mehcad Brooks as James Olsen/Guardian — Photo: Jack Rowand/The CW — © 2018 The CW Network, LLC. All Rights Reserved.

Supergirl — “Trinity” — Image Number: SPG317c_0001.jpg — Pictured: Chyler Leigh as Alex — Photo: Jack Rowand/The CW — © 2018 The CW Network, LLC. All Rights Reserved.

Supergirl — “Trinity” — Image Number: SPG317b_.jpg — Pictured (L-R): Chris Wood as Mon-El and Amy Jackson as Imra Ardeen/Saturn Girl — Photo: Jack Rowand/The CW — © 2018 The CW Network, LLC. All Rights Reserved.

Supergirl — “Trinity” — Image Number: SPG317b_0083.jpg — Pictured (L-R): Chyler Leigh as Alex and Jesse Rath as Brainiac-5 — Photo: Jack Rowand/The CW — © 2018 The CW Network, LLC. All Rights Reserved.

Supergirl — “Trinity” — Image Number: SPG317b_0024.jpg — Pictured (L-R): Katie McGrath as Lena Luthor, Chyler Leigh as Alex and Melissa Benoist as Kara/Supergirl — Photo: Jack Rowand/The CW — © 2018 The CW Network, LLC. All Rights Reserved.

Supergirl — “Trinity” — Image Number: SPG317a_0084.jpg — Pictured: Melissa Benoist as Kara/Supergirl — Photo: Katie Yu/The CW — © 2018 The CW Network, LLC. All Rights Reserved.

Supergirl — “Trinity” — Image Number: SPG317a_0089.jpg — Pictured: Jeremy Jordan as Winn — Photo: Katie Yu/The CW — © 2018 The CW Network, LLC. All Rights Reserved.

Supergirl — “Trinity” — Image Number: SPG317a_0116.jpg — Pictured: David Harewood as Hank/J’onn — Photo: Katie Yu/The CW — © 2018 The CW Network, LLC. All Rights Reserved.

Supergirl — “Trinity” — Image Number: SPG317a_0132.jpg — Pictured (L-R): Katie McGrath as Lena Luthor, Chyler Leigh as Alex, Jeremy Jordan as Winn, David Harewood as Hank/J’onn and Melissa Benoist as Kara/Supergirl — Photo: Katie Yu/The CW — © 2018 The CW Network, LLC. All Rights Reserved.

Supergirl — “Trinity” — Image Number: SPG317a_0194.jpg — Pictured (L-R): Jeremy Jordan as Winn and Melissa Benoist as Kara/Supergirl — Photo: Katie Yu/The CW — © 2018 The CW Network, LLC. All Rights Reserved.

Supergirl — “Trinity” — Image Number: SPG317a_0219.jpg — Pictured: Katie McGrath as Lena Luthor — Photo: Katie Yu/The CW — © 2018 The CW Network, LLC. All Rights Reserved.

Supergirl — “Trinity” — Image Number: SPG317b_0013.jpg — Pictured: Chyler Leigh as Alex — Photo: Jack Rowand/The CW — © 2018 The CW Network, LLC. All Rights Reserved.

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