Supergirl -- "Make it Reign" -- Image Number: SPG322a_0018.jpg -- Pictured: Chyler Leigh as Alex -- Photo: Shane Harvey/The CW -- © 2018 The CW Network, LLC. All rights reserved.

Supergirl -- "Make it Reign" -- Image Number: SPG322a_0061.jpg -- Pictured: Melissa Benoist as Kara/Supergirl -- Photo: Shane Harvey/The CW -- © 2018 The CW Network, LLC. All rights reserved.

Supergirl -- "Make it Reign" -- Image Number: SPG322a_0136.jpg -- Pictured: Melissa Benoist as Kara/Supergirl -- Photo: Shane Harvey/The CW -- © 2018 The CW Network, LLC. All rights reserved.

Supergirl -- "Make it Reign" -- Image Number: SPG322a_0167.jpg -- Pictured: Chris Wood as Mon-El -- Photo: Shane Harvey/The CW -- © 2018 The CW Network, LLC. All rights reserved.

Supergirl -- "Make it Reign" -- Image Number: SPG322b_0241.jpg -- Pictured: Chyler Leigh as Alex -- Photo: Diyah Pera/The CW -- © 2018 The CW Network, LLC. All rights reserved.

Supergirl -- "Make it Reign" -- Image Number: SPG322b_0351.jpg -- Pictured: Erica Durance as Alura Zor-El -- Photo: Diyah Pera/The CW -- © 2018 The CW Network, LLC. All rights reserved.