Supergirl 3×21 “Not Kansas” Season 3 Episode 21 Sneak Peek – KARA CONSIDERS A MAJOR LIFE CHANGE – Kara (Melissa Benoist) makes a major life decision. Meanwhile, J’onn (David Harewood) finds out that special DEO-caliber guns have hit the streets of National City. Dermott Downs directed the episode written by Gabriel Llanas & Anna Musky-Goldwyn (#321). Original airdate 6/4/2018. Subscribe to tvpromosdb on Youtube for more Supergirl season 3 promos in HD!

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Supergirl 3×21 Sneak Peek/Preview “Not Kansas”
Supergirl Season 3 Episode 21 Sneak Peek
Supergirl 3×21 Sneak Peek “Not Kansas” (HD)

» 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

  • Daldi 04 / 06 / 2018 Reply

    To quote the best smuggler ever, "I got a bad feeling about this"

  • duna2396 04 / 06 / 2018 Reply

    0:27 the table has super powers she can flip on its own

  • Karen Petersen 04 / 06 / 2018 Reply

    Will we see the demon from the end of 301 once there is no Sam in Reign?

  • Joe Whitehead 04 / 06 / 2018 Reply

    Hopefully it works, & Sam’s okay

  • Gardenia 04 / 06 / 2018 Reply

    i love the way supergirl threw reign

  • Mary R 04 / 06 / 2018 Reply

    the cape tricks are dumber than the banshee screams lolololol.

  • Xavier Ancarno 04 / 06 / 2018 Reply

    The villain are so Lame… time to wrap this shit up.

  • Saral Thakur 04 / 06 / 2018 Reply

    Girls are hot that's it

  • Bryce Mor'du 04 / 06 / 2018 Reply

    I hope that black kryptonite works on Reign/Samantha

  • Karine Cristina 04 / 06 / 2018 Reply

    CAPE TRICKS BABY 👏🏻❤️

  • Tulito Reacts 04 / 06 / 2018 Reply

    THE HYPE IS REAL. I CAN'T WAIT FOR TONIGHT

  • once upon a timer for ever 04 / 06 / 2018 Reply

    If only reign learns the tricks

  • E. Ramone 04 / 06 / 2018 Reply

    Is it just me or did it look like Mon-El was smiling after Reign threw Supergirl… @0:27

  • Karamel fan 04 / 06 / 2018 Reply

    I don't trust the rock that the witch lady gave Kara

  • Nicole Curington 04 / 06 / 2018 Reply

    U can tell Mon So doesn't want her to get hurt. And he got so mad…. AHHHHHH SO CUTE. CUTENESS ATTACK

  • Yahir Reyes 04 / 06 / 2018 Reply

    It would’ve been cool if they split reign and Sam and Sam had one of the world killers powers

  • derrick postelle 04 / 06 / 2018 Reply

    Love that show

  • Kev Cord 04 / 06 / 2018 Reply

    Supermierda muerete ya vamos Reign

  • Ryan Abney 04 / 06 / 2018 Reply

    Damn the choreography in the show has gotten worse this season🤦🏽‍♂️ like the mid season finale fight was great! Last season fights were good. Supergirl choreographers should learn from "the originals" fights and take something out they're play book💯

  • Raghu Seetharaman 05 / 06 / 2018 Reply

    This very much reminded me of Smallville season 4 episodes "Crusade" and "Onyx".

  • Bre Lastname 05 / 06 / 2018 Reply

    YALL! KARAMEL IS BACK OMG
    IM SCREAMING OMFFGGGGG

  • Lelu Beelu 05 / 06 / 2018 Reply

    I just watched and I'm totally freaking out right now. Next Monday can't come fast enough

  • Sheila Fal 05 / 06 / 2018 Reply

    haven't we just watch a big "spoiler" with that clip?, i mean, we already know they'll get her with the vacuum or whatever they injected her .D

  • Carlton Oakley II 05 / 06 / 2018 Reply

    This was a great episode. Only thing I hated was the whole gun control shit

  • Toi O'Neill 05 / 06 / 2018 Reply

    Awesome action scene

  • GenesisSingss #MusicVibs 05 / 06 / 2018 Reply

    is that the girl from glee?!?!?!?!

  • Crimson Madness 05 / 06 / 2018 Reply

    Still didn't see the ep because in my country it comes with 2 days of delay but I hope that they would leave the Black Kryptonite as it is canon which means that they would save Samatha but Reign would be still there, more pissed then ever, also I am so tired of seeing people that are being overpowered (Savitar, The Thinker, Reign) Being defeated by idiotic tricks like this cape thing. They made Reign unbeatable (She has the powers of Pestilence and Purity all she has to do is scratch them and they are done) She also has been made stronger by absorbing Kryptonite yet here she is defeated by Mon-el and Kara. Also, I would like to remind you once again CW that in ep 9 when she wasn't near this strong she beat the living hell out of Kara but yet you insist on wanting me to believe that now Kara stands a chance because of a cape trick and the help of Mon-el that you insist on making him go down within the first 5 seconds he starts to fight. I'm not hating I'm just stating facts. If you want your heroes to win and be believable just stop do the villains that are super OP. Also, a Worldkiller can only be defeated and killed by another one and since there are no more (That we know of) I really want to see how they will defeat Reign.

  • Ngoc Phuong Linh NGUYEN 05 / 06 / 2018 Reply

    why don't you just release a new episode every 2 days atlest?????????????????????????????????????? I love it. I'm not patient enough to wait a week for an ep!!!

  • WileyCoyote69 05 / 06 / 2018 Reply

    Black kryptonite, eh?

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