Supergirl 3×23 “Battles Lost and Won” Season 3 Episode 23 Sneak Peek (Season Finale) – SHOCKING SEASON FINALE – Supergirl (Melissa Benoist) and team take on Serena in an epic battle for Earth. Jesse Warn directed the episode written by Robert Rovner & Jessica Queller (#323). Original airdate 6/18/2018. Subscribe to tvpromosdb on Youtube for more Supergirl season 3 promos in HD!

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Supergirl 3×23 Sneak Peek/Preview “Battles Lost and Won” (Season Finale)
Supergirl Season 3 Episode 23 Sneak Peek
Supergirl Season 3 Season Finale Sneak Peek
Supergirl 3×23 Sneak Peek “Battles Lost and Won” (HD) Season Finale

» Watch Supergirl Mondays at 8:00pm/7c on The CW
» Starring: Melissa Benoist, Chyler Leigh, Mechad Brooks, David Harewood

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Comment List

  • Actionfan19 18 / 06 / 2018 Reply

    For Gods sake Kara your cousin from another world sucked it up when he broke Zods neck sherly you can get over yourself just this once and end that monsters life.

  • CHRIS THOMPSON 1 19 / 06 / 2018 Reply

    I'm really tired of superheroes on tv shows that kill their big bads every damn time at the end but when the idea is thrown around they are like "We don't kill" Like it's getting very annyoing.

  • Ukaran 19 / 06 / 2018 Reply

    Oh no! Paraite is attacking the city! Let me use this radioactive element to blow him up!

    Oh no! J'onn is being attacked by White Martians! Let me use this magical staff to vaporize them!

    Oh no! Reign is killing people! But I won't kill her, because the writers already forgot that my "no kill" rule doesn't make sense anymore!

  • Kynnadie Winchester 19 / 06 / 2018 Reply

    Lena will save the day. Lena will kill her all by herself. She doesn't need you Kara Zor-El.

  • JamieHt 19 / 06 / 2018 Reply

    Her "no killing" policy can be applied to those villian who was not born evil, that somthing made them evil and there's a way back. But Reign, she was created that way, to kill. So I dont think she should be left alive, at the expense of Sam, when she is cleansing the Earth and they has the means to end her. Just NO. One of the many times showing this season writing is bad. I'm sorry, but it is.

  • Brandon Montenegro 19 / 06 / 2018 Reply

    What is with "No Killing' speech in every DC series?

  • Johnny Kuchenbrod 19 / 06 / 2018 Reply

    I expected a lot more from this episode it did not come. And supergirl I am getting very tired of you getting your ass kicked. U did turn that around with Reign but girl you are steel quit getting your ass kicked you know how to fight. You got mad when you're cousin saved your life couple of times. U did stop Sam the 2nd time from killing Reign. But still get better damn it. 6/18/18

  • Cullys Charle 19 / 06 / 2018 Reply

    "There's only one way this ends Kara. Either you die or I do!!" I want Reign to say that when she's fighting Supergirl.

  • t r.r 19 / 06 / 2018 Reply

    The final episode of this season is going to be awesome I can feel it

  • Marcus McIntosh 19 / 06 / 2018 Reply

    Kara does get me vex with this, I don't kill shit

  • Solrac Hernandez 19 / 06 / 2018 Reply

    Smallville lois lane playing Kara's mother is just hilarious to see I loved that actress

  • MegaNeonVersalSurpreme 19 / 06 / 2018 Reply

    Who else finished watching the season finale of Supergirl?

  • Esmeralda Knastù 19 / 06 / 2018 Reply

    This episode was disappointing, only the mysterious ending is saved, it is my opinion :/

  • Future Trunks 19 / 06 / 2018 Reply

    What happened to ruby and monels wife

  • Nohemi Perez 19 / 06 / 2018 Reply

    I’m done watching this smh Mon-el isn’t coming backing for the fourth season Bc he goes back to the future and Bc since he is a superhero he has to put his love life aside to save more ppl ….💔 but I will always be team #karamel

  • Michael F 19 / 06 / 2018 Reply

    It was really weird seeing the old Lois Lane flying around with Superman powers. With freakin lazer beams shooting out of her eye sockets, and having ice breath.

  • MegaNeonVersalSurpreme 19 / 06 / 2018 Reply


  • Solid Truth 19 / 06 / 2018 Reply

    i will say it again, the 2nd half of this season was shit. they really went down hill after Earth-x crossover

  • India Kostiuk 19 / 06 / 2018 Reply

    Not all people need to die not even her, she could be useful

  • Ciaran Campton 19 / 06 / 2018 Reply

    Didn't Kara dump someone into a nuclear reactor or something during season 2??

  • sat kirat 19 / 06 / 2018 Reply

    final was awsmm bt i dont know why but for me next session of supergirl seems like flash's 3rd session concept

  • eva tsav 19 / 06 / 2018 Reply

    I actually liked the fact that even at that point she doesn't kill.Why does everyone want her to become a murderer?She is staying strong in her beliefs and that is not a weakness.

  • yareli reyes 19 / 06 / 2018 Reply

    When the new episodes come on netflix for supergirl

  • Marz Tye 19 / 06 / 2018 Reply

    Ok ooook wait wait wait…. I dont know which einstein wrote the last episode but that person needs to be found, taken to the public square (any public square…doesn't really bother me which square…as long as there's shit loads of people in this squre on this particular day im happy). Then grab a copy (doesn't have to be original print. Im not fussed) of the final script rolled up and beaten multiple times with it until he admits it was the biggest most cheap ass, crappy ass, lazy ass ending so far for this show. (Ran out off asses) My little nephew could have written a better ending then that and he hasn't even been given his pen licence yet from school!! So that's it? That's the ending? Mon-el's gotta go back to his future earth. Winn's gonna go with him. Jon-jonz father sacrificed himself for earth. Jon jonz is taking a break leaving. Supergirl's mom heading back home. (i can let that one slide) Imra is going back too. Seriously like who's left?? Were running on fumes people!! Eveyone's dropping like flies… Season 4 looks like it's gonna be played by the networks skeleton crew….
    Mayday Mayday!!
    We need help ASAAAAAP
    Ohhh and the best part of eveything is that after hundreds of people have been innocently killed by reign, plus now all life on planet earth is about to end, Supergirl thinks all that is worth risking because she doesn't kill. Even though Sam is no longer part of reign… Nup…. Sorry…. Still won't kill that bitch. Im sooo glad Supergirl has got her priorities straight. Top job.

  • Ciara Rose 19 / 06 / 2018 Reply

    To all you Karamel shippers who isn’t going to watch it next season, think about this, you don’t watch Supergirl for a ship, you watch it to see action and watch a story play out. Even though I’m a proud Karamel shippers, u wanna give you guys a piece of my mind. It’s how it played out in the comics. Mon- El and Kara don’t stay together so face it!!!! Gosh dammit, the show is going to get cancelled with not as many viewers as before, so then they’re won’t be a damn show at all!!

    And maybe if you inconsiderate humans we’re actually nice to Mon-El and the actor that played him, we would’ve gotten an ending worth it. I’m sick of every last one of these toxic fandoms!!! Can’t I enjoy Supergirl without some bratty comment from stans!

    You all not going to watch next season are very highly rude. Melissa and the cast and everybody else on set works their butts off to pull off this show and this is how you reply them?? I can’t with guys sometimes.

    Props to everyone actually staying to watching next season 👏!

  • Saral Thakur 20 / 06 / 2018 Reply

    Fuck Reign

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