Kat McNamara Battles a Shadowhunters Fan Over Who Knows Malec Best | Beat Your Superfan

  • Published on Mar 1, 2019
  • Kat McNamara kicks ass as Clary Fray in Shadowhunters but can she hold her own in a battle against a superfan? We test her knowledge on all things Shadowhunters, including the relationship between Alec and Magnus.
    Tell us in the comments who you want to see go head-to-head with a superfan!
    #shadowhunters #cosmopolitan #saveshadowhunters #cosmocrush #beatyoursuperfan
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Comments • 344

  • Arianna Alonso
    Arianna Alonso 2 months ago +1480

    wait......how do you become a superfan!?!?! I wanna be part of this! I'm really good at trivia

  • Camila Cabello World

    I wish I could meet Emeraude..but..I. live in Greece...so Make another one of this with Emeraude please ♡

  • LEMA B
    LEMA B 4 days ago +1

    I wanna do one with Kat!!

  • This_username _is_taken

    Can we have Dom and Alberto do this, please????

  • Naya Sky
    Naya Sky 7 days ago

    I have spent the past week re-watching all the shadowhunters episodes because I don’t want to let it go..💔➰

  • Zenia KF
    Zenia KF 7 days ago


  • tyrus babies
    tyrus babies 16 days ago

    Luke Mullen and Joshua Rush!!!!!!!!!!!!! (tyrus)

  • Kata Kelemen
    Kata Kelemen 17 days ago

    Kat is the cutest person ever!😍

  • Nicole Bouchard
    Nicole Bouchard 21 day ago +1

    I would like Dominic Sherwood take on a superfan. That would be hilarious!

  • Leila Nourifar
    Leila Nourifar 21 day ago


  • Shadowhuntershippers
    Shadowhuntershippers 23 days ago

    This is super random but my uncle got to privately meet Kat and dom backstage at oz comic con he said they were super nice

  • Shadowhuntershippers
    Shadowhuntershippers 23 days ago

    How do you sign up for this??!!?!

  • Jade Guilfoyle
    Jade Guilfoyle 26 days ago

    I am the biggest superfan. How can I get involved in the next shadowhunters superfan video... also please do a superfan vs dom sherwood

  • TazGyrl225
    TazGyrl225 28 days ago

    @5:31 how they said Climon is sooo cute & adorable 😍😍

  • Brie Gardner
    Brie Gardner Month ago

    But Jocelyn happened after the wedding...which also didn’t happen in the books...so they were wrong...I’m upset.

  • NiHaoMa
    NiHaoMa Month ago

    i love how she said "your mom dying" instead of "clary's mom dying" LOL

  • Mihin Aku
    Mihin Aku Month ago

    She says "your mom dying "😂

  • Tanja Schuricht
    Tanja Schuricht Month ago

    Ich heiße auch Alyssa

  • Selen Taşar
    Selen Taşar Month ago

    We want klaus or ben from the umbrella academy

  • Jana Alghamdi
    Jana Alghamdi Month ago

    Why isn’t anyone talking about how good kat’s voice is???

  • Andrea Crystal
    Andrea Crystal Month ago

    I got all but 3 right. Damn

  • Anna Gorecki
    Anna Gorecki Month ago

    I love Kat shes so genuine and precious!

  • J Lib
    J Lib Month ago

    Wait she wrote music that's in the show?!?!?!?!

  • Alyssa Andrews
    Alyssa Andrews Month ago

    Both shadowhunter superfans are named Alyssa. I feel special to share a name with them.

  • Tyler Woods
    Tyler Woods Month ago

    She's so cute ugh, love Kat. So kind and humble

  • Liz eptic
    Liz eptic Month ago

    Bro this would be so fun to do omg

  • Lara Sluyter
    Lara Sluyter Month ago

    I met Kat a few weeks ago and she truly is the sweetest angel irl too!

  • Sakura Rose
    Sakura Rose Month ago

    I love how soft they got when they said Climon

  • Kirsten Davis
    Kirsten Davis Month ago

    If there was one for arrow I would win almost every single one

  • Nicol Fox
    Nicol Fox Month ago

    Believe or not... But you're guys have seriously BIGfan in the small state call the Czech Republic too...!!

  • Agus Reyna
    Agus Reyna Month ago

    Kat is adorable ♥️ super cute

  • Ineedsleep
    Ineedsleep Month ago

    Love how the superfans always win 😂😂and Kat's singing voice is out of this world 🥰😍

  • Sylphadora
    Sylphadora Month ago

    Seriously, this game show should be called “Beaten by your superfan”😂

  • jehalpain
    jehalpain Month ago

    I swear if y’all did this with the boys from supernatural for their last season I would win 100%

  • Sami R.
    Sami R. Month ago

    The malec superfan was also named Alyssa but they were different people right?

  • zlBrittanylz
    zlBrittanylz Month ago

    Shes too nice omg

  • Radiohead
    Radiohead Month ago

    title is clickbait

  • D. L.
    D. L. Month ago

    I'm just imagining doing a Glee version of this!

  • Amitabha RAY CHAUDHURI

    Kat's hair basically blends in with the golden curtain

  • emily craft
    emily craft Month ago


  • OliviaLynn Music
    OliviaLynn Music Month ago


  • May Flower16
    May Flower16 Month ago


  • Fleur Doton
    Fleur Doton Month ago +1

    That superfan (i'm sorry i didn't get her name) is insanely cute and beautiful. And she's really good at that game

  • Varun Matabadal
    Varun Matabadal Month ago

    I love you guys

  • Sriyaa Sunku
    Sriyaa Sunku Month ago

    Magnus.... Plzzzzx

  • Emily Wong
    Emily Wong Month ago +3

    I love how Kat's super cool with Alyssa and always encouraging :)

  • Marie Dolan
    Marie Dolan 2 months ago

    I wanna see matthew beat someone at this

  • joyful & bubbly
    joyful & bubbly 2 months ago

    Omg Kat is super sweet

  • nidhi jhajharia
    nidhi jhajharia 2 months ago +1

    Why do I know all of these!?!

  • Holy Hour
    Holy Hour 2 months ago

    I wanna be a superfan too!! I love Shadowhunters and knows everything about it!

  • Tabby Carter
    Tabby Carter 2 months ago

    Ok, I did not realise Kat could sing so well

  • jazmynnie
    jazmynnie 2 months ago

    i always watch shadowhunyer and now i watch arrow and you were there and i freak out

  • Jhenifer Chaves Do Nascimento


  • Natalie Fleming
    Natalie Fleming 2 months ago +1

    I want to see dom do this I feel like he would not do good at this.

  • Söz Söz
    Söz Söz 2 months ago

    “Me! clary “ 03:43

  • Jade Guilfoyle
    Jade Guilfoyle 2 months ago

    I got most of those correct

  • kiera gardner
    kiera gardner 2 months ago

    Dominic sherwood

  • kiera gardner
    kiera gardner 2 months ago

    Dominic Sherwood

  • Cristopher Carrillo
    Cristopher Carrillo 2 months ago

    I want to play

  • alicia z
    alicia z 2 months ago

    kat is the cutest.

  • Elizabeth Saunders
    Elizabeth Saunders 2 months ago

    make alec doit I think he will doi great

  • Maddy Fartek
    Maddy Fartek 2 months ago

    Emma Watson!!!

    *I LEFT THE CHAT* 2 months ago


  • parwkrose;
    parwkrose; 2 months ago

    Kat is the sweetest I swear

  • Azra Pektas
    Azra Pektas 2 months ago

    i love how Kat's hair match the background.

  • BookNerd32707
    BookNerd32707 2 months ago

    That awkward moment when you think the trivia is about the books, but it’s not, so you know nothing

  • Heloisa Ikeda
    Heloisa Ikeda 2 months ago

    I would've sing along with her u.u

  • IsabellaSings
    IsabellaSings 2 months ago


  • : Espeon :
    : Espeon : 2 months ago

    Isabelle is allergic to Tulips

  • Bethking149
    Bethking149 2 months ago

    That's not the first deviation, the first is the fact that Maureen and simon sing together. Episode 1 season 1 that's a pretty big plot change

  • Shannon Bates
    Shannon Bates 2 months ago

    That girl blew Katherine out

  • IrrelevantGryffinpuff 394

    It's not 'just a little lake that was feeling poorly' it's 'just a lake that was feeling a little poorly'

  • Willian Loo
    Willian Loo 2 months ago

    arent she just the cutest thing ever ?

  • Kotlc_SophieMM
    Kotlc_SophieMM 2 months ago

    I wish there was a Voltron one, I would win

  • Kotlc_SophieMM
    Kotlc_SophieMM 2 months ago

    Kat is so adorable

  • Grace 3305
    Grace 3305 2 months ago

    kat looses and only says she loves confetti cannon

  • Chloe Townsend
    Chloe Townsend 2 months ago +1

    I know little of these because I only am a super fan of the books😂

  • margot medina sanchez
    margot medina sanchez 2 months ago +1

    I want to be there, how can I become a super fan????????????? I love the trivias!!!!!!!!!!!!!!! love shadowhunters I want to be with david or matthew or dominic ......

  • 3lli3 66
    3lli3 66 2 months ago

    Harry shum jr should play, but also how to become a superfan, i've read the books at watched the show so much ;D

  • Cody Leigh xoxo
    Cody Leigh xoxo 2 months ago

    She doing even seem excited to see Kat I would of have her a 50 min HUG took pictures all that and I'm obsessed with discounted I knew all of those questions with out blinking she's so lucky tho why not me

  • Vanessa Marie
    Vanessa Marie 2 months ago +15

    Can we get Joseph Morgan from The Originals to do this? I'd love that! Or any cast member from TVD.

  • Carla Gaskin SA
    Carla Gaskin SA 2 months ago

    Omg, cuteness overload

  • İsmi lazım Değil
    İsmi lazım Değil 2 months ago


  • Aura
    Aura 2 months ago +1

    At the "my whole world turned upside down" I was screaming IT'S A CLARY AND ALEC SCEEEEEENE I honestly love them, of course not in a romantic way, but I am obsessed with their little moments

  • Melissa Amarillas
    Melissa Amarillas 2 months ago +2

    Kat seems so humble and sweet I’m happy shadow hunters is on Hulu cause I’m binging lol 😂

  • Naranja Marin Garcia
    Naranja Marin Garcia 2 months ago

    Kat's hair ♡♡😻😻

  • Judith
    Judith 2 months ago

    How doesnt they know that the big difference between the show and the books is that clary's mom dies?!?! I MEAN COME ON

  • Matilde Barbosa
    Matilde Barbosa 2 months ago

    I'm a super fan❤❤❤❤❤❤❤

  • The Ultimate Baby Dinosaur

    Omg Jensen, Jared, or Misha from SPN would be hilarious

  • craft muzem
    craft muzem 2 months ago

    Kat bealtiful

  • Artistic_Nerd_Girl
    Artistic_Nerd_Girl 2 months ago

    The superman kinda reminds me of dot for some reason

  • Julie Nielsen
    Julie Nielsen 2 months ago

    Superfan? Why am I sitting here in Denmark and not right there playing! It could be anyone or anything from BTS to Riverdale!

  • Jenna Stevenson
    Jenna Stevenson 2 months ago

    Yesss! You should do this with a riverdale cast member!!! (Aka Madeleine Petsch!)

  • Charli V
    Charli V 2 months ago

    I’d like to think that I could beat Matthew Daddario or Harry Shum Jr. at Superfan trivia considering I’ve got both Shadowhunters & Glee

  • Yara Hamid
    Yara Hamid 2 months ago

    But why is she so fucking cute

  • Alyssa Morgan
    Alyssa Morgan 2 months ago

    'that did cause a huge ruckus' aww

  • Gucci Gang
    Gucci Gang 2 months ago


  • LunarClips
    LunarClips 2 months ago +6

    Love when she referred with ".. Your mom" to Kat, would love to have your favorite "character" in front of your eyes

  • Ekicc284 3030
    Ekicc284 3030 2 months ago +5

    Omg how is she so calm i would scream and squeal and scream again 😅😂Kat is like my idol

  • BeginnerSimmerGuides !
    BeginnerSimmerGuides ! 2 months ago

    Meee so jealous 💜