SpoilerTV Image Archive | Gallery | Supergirl | Season 3 | Promotional Episode Photos | Episode 3.14 - Schott Through The Heart | Supergirl -- "Schott Through the Heart" -- Image Number: SPG314b_0171.jpg -- Pictured: Laurie Metcalf as Mary McGowan -- Photo: Dean Buscher/The CW -- © 2018 The CW Network, LLC. All rights reserved.

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