• Published on Aug 19, 2017
  • We are making GIANT crunchy slime so come along to see what crunchy slime mess we made!!! This is the most slimy and messy slime we made so far!!!
    Subscribe for more cool videos!
    SIS vs BRO instagram @ sisvsbro_karina_ronald
    Karina has a new instagram @ kurzawa_karina
    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!!!
    We LOVE you guys!!!
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Comments • 13 995

  • nikdadestroyer 2007
    nikdadestroyer 2007 20 hours ago

    Having fun

  • Abigail Castro
    Abigail Castro 21 hour ago

    You should do add all your slime

  • Hana Ossama
    Hana Ossama 23 hours ago

    There is no sound yohπŸ˜πŸ˜‚πŸ˜‚πŸ˜‚πŸ˜‚

  • Aldrien Calabia
    Aldrien Calabia Day ago +1

    what is a winnert

  • Reuven Herssein
    Reuven Herssein Day ago

    I love this video

  • Hope Swing
    Hope Swing 3 days ago

    They play with slime wrong

  • Mara Ioana
    Mara Ioana 3 days ago

    The slime looks like foame

  • Calvin_YT Playz
    Calvin_YT Playz 3 days ago

    4:24 karina maked a bob

  • Nithya Likesh
    Nithya Likesh 3 days ago +1

    Karina when is ur birthday

  • Lincoln Loud
    Lincoln Loud 3 days ago

    Lol 2:18

  • Yuridia Ortiz
    Yuridia Ortiz 4 days ago

    Can you make slime videos?

  • Andrea Skiffer
    Andrea Skiffer 4 days ago

    You look so beautiful and

  • Unicorn_ 101
    Unicorn_ 101 5 days ago +3

    Im sure that 98.9% People had written " *Leave a like if u find the emoji.* " hmm

  • Miranda Ballentine
    Miranda Ballentine 5 days ago

    Why did you agree to clean up 🧼🧼🧼🧼🧼🧼

  • xoxoT O T O R O
    xoxoT O T O R O 5 days ago +2

    2:18 I thought this was a child friendly channel

  • Sophia 2468
    Sophia 2468 5 days ago

    It is kinda like floam πŸ˜ƒ

  • Becky Rosenwald
    Becky Rosenwald 6 days ago

    I've been waiting to comment on your videos I love you Karina! You and Ronald make the best slime! I wish I could play a game with you and be Karina's baby in any game!

    SHAKEEL HUSSAIN 6 days ago

    Wow that crunchy slime is amazing I really love you guys so much

  • Sanchit saue
    Sanchit saue 6 days ago

    It looks like hommetπŸ˜΅πŸ˜΅πŸ˜΅πŸ˜‚πŸ˜‚πŸ˜‚πŸ€£

  • Aaron Tate
    Aaron Tate 6 days ago

    That is not crunchy slime it is flowm slime

  • Kayle Sheriff
    Kayle Sheriff 7 days ago

    Find the odd one out

  • Kennedya Burke
    Kennedya Burke 7 days ago

    give me slime

  • Kennedya Burke
    Kennedya Burke 7 days ago

    ronld you are gross

  • Hanna Lobitski
    Hanna Lobitski 7 days ago


  • xvere 11
    xvere 11 7 days ago

    Find the rong emojiπŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€ πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€ πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€πŸ˜€

  • Mardiana Adelia
    Mardiana Adelia 7 days ago +1

    Rocket loncher slime wow

  • Ari G
    Ari G 7 days ago +1


  • N Kilp
    N Kilp 7 days ago +1

    You should do adding to much stuff into slime

  • Alex Tol
    Alex Tol 8 days ago


  • Cheema Singh
    Cheema Singh 8 days ago

    There’s probably more than $1000 ball in the slime

  • meshyakel angot
    meshyakel angot 8 days ago

    i love this video

  • HallieLoves Doggeys
    HallieLoves Doggeys 8 days ago


  • Kathleen Marshall
    Kathleen Marshall 8 days ago

    wamen can be anything?... even boys???

  • RoseMarie Rogers
    RoseMarie Rogers 9 days ago

    What the heck Ronald?!

  • Jalen layla
    Jalen layla 10 days ago

    ronald is inaprrotiete

  • Skittle Maniac
    Skittle Maniac 10 days ago

    Oh my god this looks like my weiner

  • Jackie Blakeney
    Jackie Blakeney 11 days ago

    I have two budgies one for me and Kyle

  • Millie Clarkson
    Millie Clarkson 11 days ago

    Did Ronald say β€œit’s like my balls but smaller” at 0:15πŸ˜‚πŸ˜‚

  • Winnie Bird
    Winnie Bird 11 days ago

    They are so go at making slime

  • Mya Sekely
    Mya Sekely 11 days ago

    If you listen carefully at 19 seconds of the vid you would hear Ronald said this looks like my balls but smaller an than later in the vid he said omg this looks like my wiener πŸ€£πŸ˜‚πŸ˜…

  • Shae Pinkerton
    Shae Pinkerton 11 days ago

    Leave a like if you see the different emojiπŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜™πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—πŸ˜—

  • Jeff Eaves
    Jeff Eaves 11 days ago

    Next time can you make a butter slime

  • Emmie-Lou Xx
    Emmie-Lou Xx 12 days ago

    When ronald said omg this looks like my Weiner my bro said whats a weiner

  • Ayla Krecklow
    Ayla Krecklow 12 days ago

    Leave a like if you found the wrong emoji


  • louie Baker
    louie Baker 13 days ago

    is the youtube comment section just populated with 5 year olds who have just found out about emojis

  • BLack hookah
    BLack hookah 13 days ago +1

    Best crunchy slime
    Like if you think so as well

  • LaLa Gaming
    LaLa Gaming 13 days ago


  • Shimpy Sharma
    Shimpy Sharma 13 days ago

    Leave a like if you find the odd emoji πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜˜πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™πŸ˜™

  • Flower zodiac
    Flower zodiac 13 days ago

    Ummm it's not crunchy slime its floam slime. No offence

  • Julie Gonzales
    Julie Gonzales 13 days ago

    i know no one cares about me so im gonna like my own comment

  • Ashanti Bush
    Ashanti Bush 13 days ago

    Ronald that is inappropriate don't say that

  • Therese Hagan
    Therese Hagan 13 days ago

    Leave a like if you see the odd emoji


  • dxddy michy
    dxddy michy 14 days ago

    Itz like my balls but smaller lol πŸ€ͺπŸ€ͺπŸ€ͺ

  • Abdullah Abu Alneel
    Abdullah Abu Alneel 14 days ago

    i like slime thanks for showing me your slime

  • Maria Gonzalez
    Maria Gonzalez 14 days ago

    Give me a like if you're Arundel said about the spoon of a wenner

  • Slasher Basher
    Slasher Basher 14 days ago


  • Slasher Basher
    Slasher Basher 14 days ago


  • Slasher Basher
    Slasher Basher 14 days ago +1

    Leave a like if you found the odd one

  • Slasher Basher
    Slasher Basher 14 days ago +1


  • Maham Hussain
    Maham Hussain 14 days ago

    I shared it

  • 符铭
    符铭 14 days ago


  • UnicornPlaysRoblox
    UnicornPlaysRoblox 14 days ago

    Ronald:this looks like my wiener

  • Brenda Berry
    Brenda Berry 14 days ago

    Leave a like it you found the odd one πŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜„πŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒ

  • Monkey Smith
    Monkey Smith 14 days ago

    Leave a like if you found eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeereeeeeeeeeeeeeeeeeeeee

  • Monkey Smith
    Monkey Smith 14 days ago

    Love y'all

  • Itsyaboy Gamin
    Itsyaboy Gamin 14 days ago


  • Viperm3r6
    Viperm3r6 14 days ago +1

    Leave a like if you found the odd one!

  • Khanh Khuu
    Khanh Khuu 15 days ago

    Why you make a mess

  • pix yo ol proΓ€ pro


  • Jassim Arjawi
    Jassim Arjawi 15 days ago

    You should do a giant slime with too much clay in it.

  • Guadalupe Rangel
    Guadalupe Rangel 15 days ago

    Wi is karina soo big and ronalt soo littleπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ŠπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒπŸ˜ƒ

  • Goku Lenny_face
    Goku Lenny_face 15 days ago


  • Goku Lenny_face
    Goku Lenny_face 15 days ago


  • Holly Furlong
    Holly Furlong 15 days ago

    Which one do you want

  • Fortnite
    Fortnite 15 days ago

    Ronald: Its like my balls but smaller
    Me: wait what I thought this was a family friendly channel
    Time was 0:15

  • Eve Lily Morrison
    Eve Lily Morrison 15 days ago

    Ronald u are so wrong what is this all about this looks like my wiener and this is like my balls but smaller eww

  • Rebecca Khalil
    Rebecca Khalil 15 days ago

    I wish l could sleep in the snow OMG that looks so choosy!!!β™‘πŸ˜―πŸ˜―πŸ˜―πŸ˜―πŸ˜―πŸ˜―πŸ˜―πŸ˜―πŸ˜―πŸ˜―πŸ˜―πŸ˜ƒπŸ˜ƒ

  • vitalija pukaite
    vitalija pukaite 16 days ago

    Omg 😯😯 i love the slime i want the slime

  • Michael Hardy
    Michael Hardy 16 days ago

    leave a like if you see the wrong emoji facesπŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ’©πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜˜πŸ˜πŸ˜πŸ˜πŸ‘ΆπŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜š

  • Eliyana Marie Bisco Bisco

    that is so crunchy OMG

  • Emmycorn 2
    Emmycorn 2 16 days ago

    Trolls snot

  • Hannah Goldstein
    Hannah Goldstein 16 days ago

    oh my god this looks like my weenier! i say LOLLLLLLLLL!!!!!!!!!!

  • Natalie Lenkowski
    Natalie Lenkowski 16 days ago +1

    Leave a like if you think slime is goo

  • Natalie Lenkowski
    Natalie Lenkowski 16 days ago +1

    Slime is goo

  • Deadly Gaming
    Deadly Gaming 16 days ago

    It looks so satisfying 😜

  • Angelique Landsberg
    Angelique Landsberg 16 days ago

    What do you do with all of this slime

  • Isobel Chafer
    Isobel Chafer 17 days ago


  • Mazen Hady
    Mazen Hady 17 days ago

    What’s your favorite slime Karina❓

  • Mia Smith
    Mia Smith 17 days ago

    That is not that good sort your some out

  • Hayley_ Loves_dogs
    Hayley_ Loves_dogs 17 days ago

    it was funny when Ronald said it looks like my weiner

  • elsagamer 10
    elsagamer 10 18 days ago

    yout not supposed to poke crunchy slime

  • Nr T
    Nr T 18 days ago

    You guys are made for TVclip

  • Melissa Stuart
    Melissa Stuart 18 days ago +1

    πŸ˜•πŸ˜•πŸ˜•πŸ˜•πŸ˜•πŸ˜•πŸ˜•πŸ˜•πŸ˜•πŸ˜•πŸ˜•πŸ™πŸ˜•πŸ˜•πŸ˜•πŸ˜•πŸ˜•-okay did you find this one if you did YOU ARE A LEGEND!

  • tribhuvan misra
    tribhuvan misra 18 days ago

    not too good video or slime just okay kind of

  • lacey gaines
    lacey gaines 18 days ago

    You are the best

  • lacey gaines
    lacey gaines 18 days ago

    I love you guys

  • Samsam Ahmed
    Samsam Ahmed 18 days ago


  • Nora Celley
    Nora Celley 19 days ago

    leave a like if you spot the difference

  • Nora Celley
    Nora Celley 19 days ago

    did ronald say it's like my balls but smaller omg ronald

  • Bianca Mancini
    Bianca Mancini 19 days ago

    Ronald was being inoprpiet leave a like if you think so