Preparing for Battle - Supergirl Season 2 Episode 21

Supergirl, Alex, and Lillian are ready to fight. Will they be able to stop Rhea and rescue their friends?
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Alex and Kara - Supergirl Season 2 Episode 21

Is Kara letting Alex know the plan to team up with Lillian? That would explain the crossed arms and unhappy look on her face.
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Cyborg Superman - Supergirl Season 2 Episode 21

Now that Lillian is on Supergirl's side, we have to assume Cyborg Superman is too. He could be an asset in the battle against Rhea.
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Standing up to Mom - Supergirl Season 2 Episode 21

Mon-El will not back down when it comes to his mother. He's a different man now, and he wants to do what's right.
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Working with Lillian - Supergirl Season 2 Episode 21

We're pretty sure Alex is not going to be happy about having to work with Lillian after what she's done to her father. She'll do what's necessary, but she doesn't have to like it.
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The President is Back - Supergirl Season 2 Episode 21

Cat and Lillian aren't the only returning faces! Lynda Carter is back as well! Will Supergirl and the DEO obey her orders on how to handle Rhea?
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Cat Meets Lillian - Supergirl Season 2 Episode 21

Cat Grant and Lillian Luthor face-to-face? This is sure to be an interesting conversation. Maybe Cat will bring her down a peg or two.
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Mom and Daughter - Supergirl Season 2 Episode 21

Lena and Lillian have never had the best relationship, but maybe after her experience with Rhea Lena will see her mother a little differently. At least in this instance, they're on the same side.
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Angry Lena - Supergirl Season 2 Episode 21

Whatever is going on, Lena is clearly not happy about it. She doesn't have much choice in the matter though, and is probably playing along until she can escape Rhea's clutches.
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Princess Lena? - Supergirl Season 2 Episode

Is Rhea planning a shotgun wedding for Mon-El and Lena? That dress and crown has to mean something big, right? We know she sees Lena as a daughter, and she hates Kara, so in a way, it makes sense.
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Claiming the Throne - Supergirl Season 2 Episode 21

Is Rhea hoping Mon-El will take the throne next to her? He may not be willing to kill her, but by that stance, we know he's not about to join her either.
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Teaming Up - Supergirl Season 2 Episode 21

Supergirl and Lillian teaming up to face a common enemy? We are very curious to see how that goes. Are they meeting Rhea in the Fortress of Solitude to discuss a truce?
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Supergirl Season 2 Episode 21 Quotes

Winn: Uh guys, I just picked up on some sort of live transmission from Air Force One.
Kara: Air Force One?
Alex: Wait, don't tell me the President is heading towards the conflict and not away.
Kara: Every time I think I can't get happier I voted for that woman...

Kara: James, I'm so glad you're okay.
James: Yeah, me too. It's a war zone out there. Daxamite troops are beaming down from everywhere, setting up checkpoints, arresting resisters. It's almost like they're instituting their own Martial Law.
Winn: Not to mention the full on Independence Day going out there with the mothership hovering over the city.