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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
Going to PHILIPPINES
8 days ago
Twin Telepathy Milkshake Challenge!!
26 days ago
No Bowl, No Spoon Slime Challenge!!!
Month ago
Testing Cat Toys on our Cats!!!!
Month ago
Twin Telepathy Cake Challenge!!!
Month ago
SIS vs BRO House Tour!
Month ago
Making Slime in a BLENDER
Month ago
Twin Telepathy Slime Challenge!!!
Month ago
Twin Telepathy Slime Challenge!!!!!
2 months ago
Find Your Slime Ingredients Challenge!
2 months ago
Meet Our New Kitten!!!!!
2 months ago
Find Your Slime Ingredients Challenge!!!
2 months ago
Catching Poop with our Dad Challenge!
2 months ago
Don't Choose the Wrong Glove Slime Challenge!!!
2 months ago
MYSTERY BOX of SLIME GLOVES CHALLENGE!!!
3 months ago
MYSTERY WHEEL OF SLIME GLOVES CHALLENGE!!!
3 months ago
Last Thing on Our iPhone X!!!
3 months ago
Switching Clothes with my Brother!!!! part 2
3 months ago
Switching Clothes with my Brother!!!!
3 months ago
3 Color Tie Dye Shirt Challenge!!!
3 months ago
3 COLOR OF HAIR DYE CHALLENGE!!!
3 months ago
MYSTERY BOX SLIME SWITCH-UP CHALLENGE!!!
4 months ago
3 MARKER SQUISHY CHALLENGE!!!
4 months ago
GOING ON SUMMER VACATION!!!
4 months ago
Tie Dye Backpack Challenge!
4 months ago
3 COLOR TIE DYE CHALLENGE!!!!!
4 months ago
POOL IS LAVA CHALLENGE!!
4 months ago
Going To USA!!!!
4 months ago
WATER BALLOON CHALLENGE!!! BUNCH O BALLOONS
4 months ago
Mystery Wheel of Slime Switch-Up Challenge!!!
5 months ago
MAKING GIANT SLIME BUBBLES!!!!
5 months ago
Mystery Wheel of Slime Switch Up Challenge!
5 months ago
Who Knows Ronald Better?!? KARINA vs DAD
5 months ago
3 Colors of Glue Slime Challenge! PART 2!!!
5 months ago
Worlds Largest Ice Cream Sundae Challenge!!!
5 months ago
MYSTERY WHEEL OF ICE CREAM SUNDAE CHALLENGE!!
5 months ago
3 Colors of Glue Slime Challenge!!!
5 months ago
MYSTERY WHEEL OF PIZZA CHALLENGE!!!
6 months ago
Who Knows Karina Better?!? DAD vs RONALD
6 months ago
MYSTERY WHEEL OF CAKE CHALLENGE!!!
6 months ago
24 HOURS OVERNIGHT IN THE KITCHEN!!!
6 months ago
MYSTERY WHEEL OF SLIME CHALLENGE!!!
6 months ago
5 STORY BOX FORT HOUSE FOR OUR CAT
6 months ago
24 Hours Overnight in My Sisters Room!!!
6 months ago
Fortnite Dances in Real Life w/ our Dad!!!
6 months ago
24 Hours Overnight in My Brothers Room!!!!
6 months ago
FORTNITE DANCES - REAL LIFE CHALLENGE!
7 months ago
Chibi is in LOVE!!!!!
7 months ago
Trampoline Park Challenge!!!
7 months ago
Our Morning Routine on Vacation!
7 months ago
WE ARE IN THAILAND!
7 months ago
Going Vacation in Business Class!!!
7 months ago
CHIBI GOES TO 5 STAR CAT HOTEL!!!
7 months ago
HOW BOYS MAKE SLIME!!! REVENGE ON KARINA!
7 months ago
GIRLS vs. BOYS Morning Routine!!!
7 months ago
3 MARKER CHALLENGE w/ my BFFs!!!
8 months ago
We spent $1000 on Cat Toys!!!
8 months ago
Who's Smarter Challenge w/ our Dad!
8 months ago
ALL MARKERS CHALLENGE w/ our DAD!!!
8 months ago
Going to DUBAI
8 months ago
SIS vs BRO All Funny Skits in One Video!!!
8 months ago
3 MARKER CHALLENGE w/ our DAD!!! Part 2
8 months ago
3 MARKER CHALLENGE w/ our DAD!!!
8 months ago
PAINT YOURSELF CHALLENGE!!!
9 months ago
PAINT EACH OTHER CHALLENGE!!!!
9 months ago
OLDER SIBLING vs. YOUNGER SIBLING
9 months ago
VANILLA vs. CHOCOLATE CAKE CHALLENGE!
9 months ago
KITTEN'S MORNING ROUTINE!
9 months ago
Reacting to Old Baby Videos!!!
9 months ago
Kitten's First Visit to the Vet.
10 months ago
Karina's Room Tour
10 months ago
Winter Break Morning Routine
10 months ago
KOREAN FIRE NOODLE CHALLENGE! w/ our DAD
10 months ago
WHAT WE GOT FOR CHRISTMAS!
10 months ago
NAUGHTY vs. NICE Christmas Present Challenge!!!
10 months ago
GINGERBREAD HOUSE FAIL!!!
10 months ago
TESTING CAT GADGETS ON OUR CAT!!!
10 months ago
WE RESCUED A SMALL KITTEN!!!
11 months ago
SQUISHY vs REAL 2!!!!
11 months ago
GUMMY vs CHOCOLATE Food Challenge!!!
11 months ago
SQUISHY FOOD vs REAL FOOD Challenge!!!
11 months ago
100 Layers of Glitter in Giant Clear Slime!!!!!
11 months ago
BATH BOMB ART CHALLENGE!!!!
11 months ago
TRUTH or DARE
11 months ago
School Morning Routine EXPECTATIONS vs REALITY
11 months ago