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SIS vs BRO
Joined Mar 3, 2016
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!!!
SIS vs BRO instagram @ sisvsbro_karina_ronald
Karina has a new instagram @ kurzawa_karina
Ronald's new instagram @ ronaldkurzawa
OUR MERCH: www.sisvsbro.com
Fan Mail address: coming soon...
SIS vs BRO instagram @ sisvsbro_karina_ronald
Karina has a new instagram @ kurzawa_karina
Ronald's new instagram @ ronaldkurzawa
OUR MERCH: www.sisvsbro.com
Fan Mail address: coming soon...
Video
Shopping for Our Baby Sister Clothes Challenge!!!
Views 2 224 3806 days ago
Making FOOD out of SLIME!!!!
Views 2 480 77512 days ago
Twin Telepathy Milkshake Challenge!!!
Views 1 238 62913 days ago
Our Cats Pick Our Slime Ingredients Challenge !!!
Views 1 647 30020 days ago
Who Knows More About Babies! Getting ready for our Baby Sister!!!
Views 4 569 66425 days ago
Mystery Wheel of Dump It Slime Challenge!
Views 4 612 68827 days ago
Choosing a Name for Our Baby Sister!
Views 4 224 084Month ago
Shopping for Our Baby Sister Challenge!!!
Views 7 258 479Month ago
REAL vs PRANK SLIME CHALLENGE!!!
Views 6 924 271Month ago
What We Got For Christmas!!!
Views 4 561 954Month ago
Our Mom is Pregnant!!!!
Views 8 676 105Month ago
BLINDFOLDED SLIME PRANK CHALLENGE GONE WRONG!!!
Views 15 197 9582 months ago
MAKING SLIME BLINDFOLDED!!!
Views 5 920 8522 months ago
MORNING ROUTINE!!! SCHOOL DAY vs WEEKEND
Views 3 913 2362 months ago
Don't Choose the Wrong Snack Slime Challenge!
Views 13 512 6282 months ago
Mystery Wheel of DUMP IT Slime Challenge!!!
Views 15 680 7873 months ago
Mystery Box of Outfit Switch-Up Challenge!!!
Views 6 813 7813 months ago
Don't Choose the Wrong Soap Slime Challenge!!!
Views 35 624 5923 months ago
Going to PHILIPPINES
Views 4 945 4423 months ago
Our Kitten Goes to Cat Hotel for the First Time!!!!
Views 4 516 0733 months ago
Don't Choose the Wrong Shampoo Slime Challenge!!!
Views 18 084 6663 months ago
Dad Said YES to EVERYTHING Kids Want For 24 Hours
Views 11 113 2044 months ago
SIRI Picks Our Slime Ingredients Challenge!!!
Views 12 569 6084 months ago
No Bowl, No Spoon Slime Challenge!!!
Views 17 214 1384 months ago
25 Things You Didn't Know About SIS vs BRO!!!
Views 9 266 4484 months ago
Wearing Our Parents Clothes for 3 days!!!
Views 14 560 4794 months ago
Testing Cat Toys on our Cats!!!!
Views 14 278 0544 months ago
Our Cats Pick Our Slime Ingredients Challenge!!!
Views 20 337 4254 months ago
Twin Telepathy Cake Challenge!!!
Views 17 174 5034 months ago
SIS vs BRO House Tour!
Views 5 166 9335 months ago
Making Slime in a BLENDER
Views 11 978 4365 months ago
Twin Telepathy Slime Challenge!!!
Views 9 858 7395 months ago
Twin Telepathy Slime Challenge!!!!!
Views 21 246 4235 months ago
Find Your Slime Ingredients Challenge!
Views 10 413 8285 months ago
Meet Our New Kitten!!!!!
Views 7 459 8965 months ago
Find Your Slime Ingredients Challenge!!!
Views 16 844 3825 months ago
Mystery Box of Back to School Switch-Up Challenge!!! Part 2
Views 17 688 2966 months ago
Catching Poop with our Dad Challenge!
Views 3 768 2196 months ago
Don't Choose the Wrong Glove Slime Challenge!!!
Views 18 552 0126 months ago
Mystery Box of Back to School Switch-Up Challenge!!!
Views 19 765 3006 months ago
MYSTERY BOX of SLIME GLOVES CHALLENGE!!!
Views 15 105 9656 months ago
MYSTERY WHEEL OF SLIME GLOVES CHALLENGE!!!
Views 17 008 9656 months ago
Last Thing on Our iPhone X!!!
Views 9 707 3076 months ago
Switching Clothes with my Brother!!!! part 2
Views 17 954 7687 months ago
Switching Clothes with my Brother!!!!
Views 39 595 9027 months ago
3 Color Tie Dye Shirt Challenge!!!
Views 6 881 3747 months ago
3 COLOR OF HAIR DYE CHALLENGE!!!
Views 14 273 7307 months ago
MYSTERY BOX SLIME SWITCH-UP CHALLENGE!!!
Views 20 102 8817 months ago
3 MARKER SQUISHY CHALLENGE!!!
Views 6 614 1747 months ago
GOING ON SUMMER VACATION!!!
Views 8 639 7297 months ago
Tie Dye Backpack Challenge!
Views 11 431 4227 months ago
3 COLOR TIE DYE CHALLENGE!!!!!
Views 11 280 6147 months ago
POOL IS LAVA CHALLENGE!!
Views 9 988 6567 months ago
Going To USA!!!!
Views 9 079 0518 months ago
WATER BALLOON CHALLENGE!!! BUNCH O BALLOONS
Views 15 825 6768 months ago
Mystery Wheel of Slime Switch-Up Challenge!!!
Views 17 089 0188 months ago
MAKING GIANT SLIME BUBBLES!!!!
Views 24 575 5248 months ago
Mystery Wheel of Slime Switch Up Challenge!
Views 18 403 0088 months ago
3 Colors of Glue Slime Challenge!!! New Colors!!!
Views 7 108 8998 months ago
Who Knows Ronald Better?!? KARINA vs DAD
Views 14 221 0478 months ago
OUTFIT SHOPPING CHALLENGE!!!! ANY STORE / NO BUDGET
Views 8 293 3569 months ago
3 Colors of Glue Slime Challenge! PART 2!!!
Views 9 827 6069 months ago
Worlds Largest Ice Cream Sundae Challenge!!!
Views 7 083 9349 months ago
MYSTERY WHEEL OF ICE CREAM SUNDAE CHALLENGE!!
Views 12 599 1919 months ago
3 Colors of Glue Slime Challenge!!!
Views 11 718 7239 months ago
MYSTERY WHEEL OF PIZZA CHALLENGE!!!
Views 10 142 0699 months ago
Who Knows Karina Better?!? DAD vs RONALD
Views 10 384 1039 months ago
MYSTERY WHEEL OF CAKE CHALLENGE!!!
Views 12 299 3179 months ago
24 HOURS OVERNIGHT IN THE KITCHEN!!!
Views 9 465 7669 months ago
MYSTERY WHEEL OF SLIME CHALLENGE!!!
Views 19 115 90310 months ago
5 STORY BOX FORT HOUSE FOR OUR CAT
Views 8 776 69710 months ago
24 Hours Overnight in My Sisters Room!!!
Views 13 255 36910 months ago
Fortnite Dances in Real Life w/ our Dad!!!
Views 17 184 27710 months ago
24 Hours Overnight in My Brothers Room!!!!
Views 11 692 79810 months ago
FORTNITE DANCES - REAL LIFE CHALLENGE!
Views 6 985 60310 months ago
Chibi is in LOVE!!!!!
Views 6 765 37910 months ago
Trampoline Park Challenge!!!
Views 9 130 59910 months ago
Our Morning Routine on Vacation!
Views 11 744 40710 months ago
WE ARE IN THAILAND!
Views 2 568 80310 months ago
Going Vacation in Business Class!!!
Views 15 838 77611 months ago
CHIBI GOES TO 5 STAR CAT HOTEL!!!
Views 10 387 69411 months ago
HOW BOYS MAKE SLIME!!! REVENGE ON KARINA!
Views 3 603 10411 months ago
Twin Telepathy Challenge! Reading Each Other's Minds?!?
Views 18 957 73611 months ago
GIRLS vs. BOYS Morning Routine!!!
Views 22 427 07611 months ago
3 MARKER CHALLENGE w/ my BFFs!!!
Views 10 259 80211 months ago
We spent $1000 on Cat Toys!!!
Views 2 583 98711 months ago
Who's Smarter Challenge w/ our Dad!
Views 4 483 83011 months ago
ALL MARKERS CHALLENGE w/ our DAD!!!
Views 8 683 73511 months ago
Vlogging in DUBAI
Views 2 351 53911 months ago
Going to DUBAI
Views 20 110 31811 months ago
SIS vs BRO All Funny Skits in One Video!!!
Views 7 522 038Year ago
3 MARKER CHALLENGE w/ our DAD!!! Part 2
Views 8 956 862Year ago
3 MARKER CHALLENGE w/ our DAD!!!
Views 17 167 884Year ago
3 MARKER CHALLENGE!!!
Views 4 651 010Year ago
LUNCHBOX SWITCH UP CHALLENGE with Karina and Ronald!
Views 19 572 946Year ago
PAINT YOURSELF CHALLENGE!!!
Views 13 503 543Year ago
PAINT EACH OTHER CHALLENGE!!!!
Views 12 761 037Year ago
HOW TO CONVINCE YOUR PARENTS!
Views 7 447 103Year ago
OLDER SIBLING vs. YOUNGER SIBLING
Views 37 833 856Year ago