Supergirl‘s season finale begins tonight with Kara (Melissa Benoist) and Mon-El (Chris Wood) stranded in Argo City while Selena (Anjali Jay) continues her plan for the Worldkiller Reign (Odette Annable). She must separate Reign from her Earthly persona as Sam (also Annable) in order to complete her grim design.
Not that Kara or any of the Kryptonians in Argo are aware of that. As seen in this clip from tonight’s episode, they search Selena’s Lair for some clue to her ultimate plan and how she might be contacting people on Earth. Should they figure it out, they will be able to warn the DEO and Sam before it’s too late.
Of course, this being a Supergirl season finale, Kara will likely make planetfall just before it turns out to be too late. Oh, but what will the cost be? And will Argo City find itself in orbit around the Earth, or touching down?
Supergirl airs Mondays on The CW.