Kara and Mon-El return to Argo City, but not all is as it seems. Meanwhile, in Supergirl's absence, Guardian and the DEO deal with a dangerous gunman wielding DEO weaponry.
Trailer
Recap
By Gadfly on Jun 5, 2018
Reign knocks Supergirl back and attacks the DEO guards, and Mon-El gives the rock to Lena. As Mon-El shields Lena, Lena cuts off a piece of the Black Rock. Supergirl and Mon-El try to hold Reign off, while Lena liquefies the piece of Black Rock, put it in an injector, and slides it to Mon-El. He injects Reign with it, and her body separates from Sam's, floats into the air, and disappears. Lena asks Sam if she's okay, and Sam wakes up to ask for some aspirin. Later, Alex brings Ruby in to see…
Continue reading »Guest Cast
Anjali Jay
as Serena
Cast Appearances
Chris Wood
as Mon-El
Episode Discussion
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