• Published on Mar 25, 2018
  • Ronald shows off how he makes slime with his friends. Comment who did a better job! Ronald? Matty? or Philip?
    SIS vs BRO instagram @ sisvsbro_karina_ronald
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    Ronald's new instagram @ ronaldkurzawa
    Welcome to SIS vs BRO! This is where Karina and Ronald join forces to challenge each other in countless fun videos! Challenges, gaming, and more!!! Be sure to SUBSCRIBE and we will see you in the next video!!!
  • EntertainmentEntertainment

Comments • 17 433

  • Siri Arun
    Siri Arun 2 hours ago

    It would be cleaner if karina was theirπŸ˜‚like if you agree

  • Galaxy Unicorn
    Galaxy Unicorn 8 hours ago

    The ending though! πŸ˜‚πŸ€£πŸ˜‚

  • Galaxy Unicorn
    Galaxy Unicorn 8 hours ago +1

    Poor Karina I’m just like her literally

  • Rajesh Joshi
    Rajesh Joshi Day ago

    the green

  • Henrytastic
    Henrytastic Day ago


  • Ace Nicolle Geneblaza

    Ronald win

  • ironmanfan 01
    ironmanfan 01 Day ago +1


  • Oliver Malecki
    Oliver Malecki 2 days ago


  • TheLegend Hi
    TheLegend Hi 2 days ago +1

    It is no longer sis vs bro when karina is not aroumd

  • Christine Salanguit
    Christine Salanguit 2 days ago

    Matty's slime

  • Jyothsna S
    Jyothsna S 2 days ago


  • Camellia Hussein
    Camellia Hussein 2 days ago

    Get karina Back

  • Hassan Lgs
    Hassan Lgs 2 days ago

    Yay karina out

  • Ico Carangan
    Ico Carangan 3 days ago

    Savage karina and her friends that is not their slime

  • Himani Khatwani
    Himani Khatwani 3 days ago

    no like = no karina if you agree leave a like

  • Josephine De Guzman
    Josephine De Guzman 3 days ago

    omg so messy

  • stacie kihlstrom
    stacie kihlstrom 3 days ago

    I HATE YOU!!!!!!!!!!!!!!!!!!!!!!!

  • Vincent Paul
    Vincent Paul 3 days ago

    one like -can get Karina back and boys are 🀒

  • GEETA Ashara
    GEETA Ashara 3 days ago

    If Karina is not here unlike

  • Ishak Jamil
    Ishak Jamil 3 days ago

    1 like=for Karina back

  • Tori Time
    Tori Time 3 days ago

    see ronald every won loves karina

  • Just Divinity
    Just Divinity 4 days ago

    Boys are dirty creatures, girls are clean creatures

  • Nick Smith
    Nick Smith 4 days ago +1

    matty won🏁

  • Nick Smith
    Nick Smith 4 days ago +1


  • Pradyumna Mohapatra
    Pradyumna Mohapatra 4 days ago


  • Juvy Repizo
    Juvy Repizo 5 days ago

    Why karina revenge

  • Kristie Rynkowski
    Kristie Rynkowski 5 days ago


  • Rhian Reyes
    Rhian Reyes 5 days ago

    Karina shold be there because karina and ronald is the TVclipber

  • Justyna Parzych
    Justyna Parzych 5 days ago

    Ronald wins for the blue

  • Dayan Lemus Velazquez

    I hate her she lost ron

  • Jasmine CHOY
    Jasmine CHOY 6 days ago

    Her slimes are the best.

  • Jasmine CHOY
    Jasmine CHOY 6 days ago

    Ronald did the best in slime.
    But my favourite slime is made by Karina.

  • Deraya WS
    Deraya WS 6 days ago

    Oh Lol Ronald Has Revenge On Karina

  • Meissa Edits
    Meissa Edits 7 days ago

    β€œEven more watery”

  • Mahmoud Mohamed
    Mahmoud Mohamed 7 days ago

    Ronald best slime who agrees

  • Xx lil Panther xx 00


  • Ayn Fazra
    Ayn Fazra 7 days ago

    I support Ronald the most

  • eshal ismail
    eshal ismail 8 days ago

    probably ronald won

  • Kizzi Bruckland
    Kizzi Bruckland 8 days ago

    Karina in makeup I thought it was someone else u look so pretty woooooooooooooooooow

  • Sister projects
    Sister projects 8 days ago +1

    They have weird makeup on the girls not to be rude

  • Gaming101 Tran
    Gaming101 Tran 9 days ago

    That’s not sis vs bro because Karina is the sis Noooooo why :(

  • chesna chu
    chesna chu 9 days ago


  • 1983evansd
    1983evansd 9 days ago

    Karina you look so grown up when you have makeup on

  • 1983evansd
    1983evansd 9 days ago

    Matty matty mattyyyyyyyyyyyyyyyyyyyyy

    Won the challenge

  • Aakash Kishore
    Aakash Kishore 9 days ago +1

    I feel bad for karina

    • Aakash Kishore
      Aakash Kishore 2 days ago


    • Jyothsna S
      Jyothsna S 2 days ago

      Aakash Kishore why didn’t u feel bad for Ronald when she kicked him out of 3 three marker challenge

  • Cati Castellon
    Cati Castellon 9 days ago

    Be my boyfriend😍😚

  • Cati Castellon
    Cati Castellon 9 days ago

    My brother said that you are good at making slimeπŸ˜„πŸ˜‹πŸ˜πŸ€‘

  • AwesomegamingNation
    AwesomegamingNation 9 days ago

    And Martty is so uglier

  • Danna Sanchez
    Danna Sanchez 9 days ago

    I think that is not good that they kick each other from the video's, It's sis vs bro like if you think the same

  • ariel ting
    ariel ting 9 days ago +1

    β€œElmer’s! Shaving!” Matty
    Also the way Matty says detergent, de-ta-gant

  • Jackie MT
    Jackie MT 10 days ago +1

    This is called karma!

  • josephine george
    josephine george 10 days ago

    Excuse me guys Karina also called her friends in one video then you don't told anything now all are saying

  • Yeram Park
    Yeram Park 10 days ago

    Why her out she is good at make a slme how do that

  • Avijit Brahma
    Avijit Brahma 10 days ago

    Maddy. Wins

  • JOO E Kuria
    JOO E Kuria 10 days ago +1

    Karinaomg is si mean! 😑😑😑

  • Dania shikh mosa
    Dania shikh mosa 10 days ago +4

    1like if you feel bad for karina:(

  • Maricel Lagunzad
    Maricel Lagunzad 11 days ago

    u guys are so mess

  • Mala Amina
    Mala Amina 11 days ago

    boys make bad slime and girls make good slime

  • Prandeo Pd. Keshri
    Prandeo Pd. Keshri 11 days ago


  • Aria Werewolves
    Aria Werewolves 11 days ago

    Why does Karina have eyeshadow?
    Or makeup on?

  • shinwoo Lee
    shinwoo Lee 11 days ago


  • shinwoo Lee
    shinwoo Lee 11 days ago


  • Shakuntala Joshi
    Shakuntala Joshi 11 days ago

    Is Matty a boy or a girl?

  • sonika gupta
    sonika gupta 11 days ago

    It was disaster fun

  • Gina Almen
    Gina Almen 12 days ago

    Karina is beutiful

  • C Barrera
    C Barrera 12 days ago +1

    None of u won!!!😑😑😑

    • HyperSpace
      HyperSpace 9 days ago

      C Barrera why ya so angry bruh it’s just a video!

  • rkagome
    rkagome 12 days ago

    Ronald got revenge! But poor karina she loves slime

  • Letty carmona
    Letty carmona 12 days ago

    No one won

  • Letty carmona
    Letty carmona 12 days ago


  • Letty carmona
    Letty carmona 12 days ago

    I hate this video becase karina is not there

  • diycrafts !!!
    diycrafts !!! 12 days ago


  • Emmanuel Abanida
    Emmanuel Abanida 12 days ago

    I love you

  • Kichu Kichu
    Kichu Kichu 12 days ago +33

    My mother had a baby in she,s stomach but the baby died in the stomach because of that I have no sister,brother,big brother,big sister and no friend please give a like I alwase cry in my house and now also I am crying 😒😒😒😒😒😒😒😒

    • Enya Arms
      Enya Arms Day ago +1

      me too now again I am lonely😭😭😭😭😭😭😭😭😭😭😟😟😟😟😟😳😳😳😳

    • stacie kihlstrom
      stacie kihlstrom 3 days ago

      R i p baby though 😭😭😭😭😭😭😭😭😭

    • stacie kihlstrom
      stacie kihlstrom 3 days ago

      This is super random

    • Kawaii Ninja
      Kawaii Ninja 6 days ago

      Kichu Kichu get a pet then! :D

  • irene low
    irene low 13 days ago

    How dare you kick Karina out of the video I prefer her than you

  • Babita Jha
    Babita Jha 13 days ago

    Ronald its sis vs bro not friends vs bro you should not kick out karina

  • Lisa Fu
    Lisa Fu 13 days ago

    no karina no like, if you think i am right put no like, if i you think i am wrong one like

  • Avi Bhagtani
    Avi Bhagtani 13 days ago


  • RickyRBX
    RickyRBX 13 days ago

    Yas revenge

  • Wendy Natasha
    Wendy Natasha 14 days ago +1

    I think one of these right by kicking karina out of the video

  • Akhil Tibrewala
    Akhil Tibrewala 14 days ago

    Hi red blue green brother

  • Nazia Tahseen
    Nazia Tahseen 14 days ago

    I thought Matty was a girl

  • Jason Cheng
    Jason Cheng 15 days ago

    If it’s watery freeze it for a little by little

  • Javier O'Neal
    Javier O'Neal 15 days ago

    Id rather watch karina

  • MakrMark Farrell
    MakrMark Farrell 15 days ago


  • Renante  Sunga
    Renante Sunga 16 days ago

    Yes Karina is gone and progect zorgo is watching

  • Renante  Sunga
    Renante Sunga 16 days ago

    Thank you i

  • Renante  Sunga
    Renante Sunga 16 days ago

    Ohhhh yes oh yes i like this

  • Daljit Kaur
    Daljit Kaur 16 days ago

    Karinas messed up

  • Stoycho Todorov
    Stoycho Todorov 16 days ago

    I feel bad for Karina

  • Julia Rose
    Julia Rose 16 days ago +8

    β€œI honestly think Matty’s gonna lose πŸ˜‚πŸ˜‚β€
    **Matty ends up getting the closest to slime,**

  • JJ Torrez
    JJ Torrez 16 days ago

    G:1 B:10 R:999

  • cosmina Burlacu
    cosmina Burlacu 16 days ago

    I subscribed! I'm a big fan πŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒ

  • cosmina Burlacu
    cosmina Burlacu 16 days ago

    Ronald is better πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€

  • Samantha Carreon
    Samantha Carreon 17 days ago

    Did anyone notice karina had pink hair

  • Uni Cat
    Uni Cat 17 days ago

    Marty won his is more like slime

  • Madhu Bhatt
    Madhu Bhatt 17 days ago

    Sweet revenge for Ronald

  • Rose Nderitu
    Rose Nderitu 17 days ago

    Matty winner

  • Dragonliker marcel
    Dragonliker marcel 17 days ago

    Your friends are weird I like tham

  • London santana
    London santana 17 days ago

    Girls rule boys drool like if you agree