Supergirl Season 4 Episode 21 Review: Red Dawn

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Much like Supergirl, the series sucked up the sunlight and found its power on Supergirl Season 4 Episode 21

The penultimate episode was everything we've been wanting from this entire season.

Supergirl has this tendency to deliver a muddled and lackluster season that draws out storylines for way too long only to come back swinging in the last few episodes.

The Red Daughter  - Supergirl Season 4 Episode 21

The only reason I remained hooked throughout the entirety of the season is that I knew they'd end the season on a high note that made all my frustrations worth it.

Kara's capture at the hands of President Baker didn't last long.

She was able to break free from the Red Daughter's grip just in time to help the DEO track her evil clone down. 

Lena also warned the DEO about everything they found in Kaznia, and let's say, they all had their work cut out for them. 

Related: Supergirl Season 4 Episode 20 Review: Will The Real Miss Tessmacher Please Stand Up?

But even with all the newfound information, Supergirl's team was simply playing catch-up to Lex. 

Lex's plans have been meticulously crafted and already set in motion. 

Alien Breach - Supergirl Season 4 Episode 21

Supergirl's efforts to foil his operation weren't successful, especially since he had the President on his side. 

Lex found a way to accomplish the one thing he's always been after -- becoming the hero in his narrative. 

By the end of the action-packed episode, Lex successfully thwarted Kaznia's invasion on American soil, killed "Supergirl" and hailed as a hero by the President. 

Yeah, where do they go from here?

How does Supergirl's team convince the already impressionable public that Lex is a criminal mastermind who created a clone of Supergirl and went through all this trouble just to stroke his ego?

The one thing Supergirl and friends have going for the fact that Supergirl is still alive. 

It brings the element of surprise since the Red Daughter assumed she was victorious in taking down her doppelganger.

That is, if Lex actually killed the Red Daughter in the "battle."

Was she a martyr this whole time? Or is she still alive?

You'll Regret This - Supergirl Season 4 Episode 21

And if she is alive, there's a chance she'll align with Supergirl and friends to take down Lex once she realizes he lied to her.

There was a part of Red Daughter that craved normalcy.

When she saw Alex and Eliza distraught over Supergirl's "death," she felt something. It was the same something she felt for Mikhail and the feeling she had reading Lex's books. 

She's been brainwashed by Lex to believe that Supergirl is evil and protects the corrupt, but all the things she got spoonfed are true about Lex instead.

He's the one that's been selling her snake oil!

When she told Supergirl that "not everyone is as selfish as you," I laughed out loud because Lex is the most selfish person on the planet. 

Everything he's done thus far has been for himself. 

Related: 19 TV Characters with Mommy Issues

If Red Daughter is alive, she's going to realize the error of her ways when Lex kicks her to the curb because she's no longer a vital piece of his plan. 

On my Supergirl Season 4 Episode 20 review, a fan pointed out that the copy, Red Daughter, may have a limited lifespan, which could also come into play here. 

I had high hopes for the fight sequence between Red Daughter and Supergirl after it was hyped up for several episodes, but the face-off felt a bit flat.

For someone claiming to be so "evolved," it wasn't as impressive as it should have been. 

However, Alex regaining her memories as she saw her sister lose the battle was beautifully done and tugged at my heartstrings. 

When Alex gasped, "Kara," my heart fell to the ground. 

They Have My Evidence - Supergirl Season 4 Episode 21

It's about time Alex remembered.

It's been a while since we had a genuine sister moment, but this one made up for it. 

Chyler Leigh did a fantastic job conveying all the emotions of possibly losing a loved one just as you "got them back."

She hasn't been whole without her sister for most of the season and the idea of that becoming permanent was crushing. 

And even though you knew that Supergirl would survive, it didn't lessen the blow of the moment.

You've Been Played - Supergirl Season 4 Episode 21

It's unfair that Leigh had to compete with Jesse Rath for "best scene" because his performance qualified as a scene stealer. 

The episode was kicked up a few points in my rating simply because of his phenomenal acting. 

When his system got fried, and he began malfunctioning, Rath seamlessly transitioned through multiple personalities as his inner turmoil seeped out. 

Brainy was rebooted and aligned with his more emotionless ancestors, which means we lost every single quality and quirk that made us love him. 

This cold and calculated version doesn't measure up to our beloved Brainy at all, but his unpredictability makes him a danger at the moment.

Image Inducer - Supergirl Season 4 Episode 21

I couldn't believe that he allowed both Dreamer and J'onn to go through the Transmatter Portal and nonchalantly said that if they don't survive he'll find another way. 

Where does the Transmatter take them?

Related: Get CBS All Access via Prime Video Channels for Hit Shows, Exclusive Originals & Live TV!

And will they be able to Astral Project if the location is meant to drain alien power?

His personality is a stark departure from the man who was about to confess his feelings for Dreamer. 

Part of me wishes that he had told her he loved her before they made the mistake of attempting to infiltrate AmerTech, but on the other hand, it'll be easier for Dreamer to recover since she doesn't know the extent of his feelings.

It was infuriating that Brainy allowed his feelings for Dreamer to cloud his judgment.

His made a careless decision because he wanted to make Nia happy.

How did he not realize they'd be able to see through the image inducer? 

Deterioating  - Supergirl Season 4 Episode 21

Then we have Ben Lockwood whose world came crashing down when Lena informed him that Lex Luthor.  carefully curated his success;

Despite his questionable actions this season, Lockwood always thought he was fighting for the betterment of humanity.

But now he's finding out that everything he believed in, everything he sacrificed and everything he fought for was to help a crappy human being like Lex Luthor gain more power and money. 

That's a low blow.

Lockwood is also deteriorating because of the Harun-El which was expected since he injected himself with the untested serum. 

See, that's why you don't go around stealing drugs from mad scientists. 

Captured - Supergirl Season 4 Episode 21

Having superpowers helped him when he confronted Otis Graves, who I presume is finally dead this time around, but it's not good for him in the long run. 

Given Lockwood's new predicament, I'm guessing Lena will save him and he'll live to see another day, hopefully making amends with the only person he has left, his son. 

Or, he'll try to get revenge on Lex Luthor for taking everything from him. 

Lilian also constructed a cure for James Olsen, but he didn't take it because he figured he'd need the strength in the final battle. 

He's not wrong; with Supergirl's team depleted by three (Brainy, Dreamer and J'onn), she could use all the help she can get. 

Truth Seeker - Supergirl Season 4 Episode 21

Injecting more of the Harun-El might stabilize him, but what are the long-term side effects?

Will it make it harder to extract the serum, after all, is said and done? 

And how are we sure we can trust Lillian? She may have had a truth seeker wrapped around her arm, but she's not someone I'd willingly put my faith in. 

Supergirl's identity is essentially public knowledge at this point. Everyone aside from Lena knows who she is including the President. 

Will Lex try to expose her to the public after "killing" her?

I'll be furious if Lena finds out the truth from Lex Luthor as that will hurt Lena and Supergirl's relationship more than if Supergirl just came clean and explained why she's kept it a secret. 

An Unlikely Source - Supergirl
Other Kryptonian Thoughts
  • Why didn't Kara back up any of her evidence anywhere else? If you're going to the President to expose something so major, you should probably have multiple copies just in case something goes awry. 
  • I loved that Cat Grant was mentioned as Kara's inspiration for trying to save the world. I miss that lady. 
  • Lena's mother loves her. It doesn't make up for all the horrid things she's done, but at least now Lena has her answer. 
  • Alex and Kelly are close enough to have a sleepover movie night? This friendship-relationship moved rather quickly!
  • Eve Tessmacher has so much potential as a villain. Why has she been so sorely underutilized?

I'm turning it over to you, TV Fanatics. 

Did you like the episode? 

Is the Red Daughter dead? 

Will Supergirl find a way to exonerate her name and bring down Lex Luthor once and for all?

Hopefully, we'll see more of Jon Cryer on our TV screens for the finale. 

Be sure to watch Supergirl online and catch up before then! 

Red Dawn Review

Editor Rating: 4.6 / 5.0
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User Rating:

Rating: 4.7 / 5.0 (51 Votes)

Lizzy Buczak is a staff writer for TV Fanatic. Follow her on Twitter and read her personal blog at CraveYouTV.

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Supergirl Season 4 Episode 21 Quotes

Jeez, this is America. You can't just kidnap a reporter.

Kara

Lena: Lex is planning on invading America.
Brainy: What?
Alex: You should have led with that.
Lena: Well, then you're gunna love this. Lex has a clone of Supergirl.
Alex: What?
Brainy: You should've led with that.