SIS vs BRO
SIS vs BRO
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  • Katılım 3 Mar 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...

Video
Mystery Box of Outfit Switch-Up Challenge!!!
Mystery Box of Outfit Switch-Up Challenge!!!
5 gün önce
We have to choose our outfit pieces from mystery boxes, one person peeks into the mystery box, and the other person has to decide if they want to ...
Don't Choose the Wrong Soap Slime Challenge!!!
Don't Choose the Wrong Soap Slime Challenge!!!
10 gün önce
Don't choose the wrong soap or hand lotion, and make sure you have activator!!! Without activator, you'll end up with goo instead of awesome slime :) We are ...
Going to PHILIPPINES
Going to PHILIPPINES
16 gün önce
We are flying to the Philippines in business class. We LOVE you guys!!! SIS vs BRO instagram @ sisvsbro_karina_ronald Karina has a new instagram ...
Our Kitten Goes to Cat Hotel for the First Time!!!!
Our Kitten Goes to Cat Hotel for the First Time!!!!
19 gün önce
We are taking our kitten to the 5 Star Cat Hotel! Is the cat going to like his hotel and will he remember us after 2 weeks?!? Let us know if you think George and ...
Don't Choose the Wrong Shampoo Slime Challenge!!!
Don't Choose the Wrong Shampoo Slime Challenge!!!
24 gün önce
Don't choose the wrong shampoo, or your slime will be spoiled!!! We are sensing which mystery shampoo bottle has the best ingredients for our slime! With a bit ...
Dad Said YES to EVERYTHING Kids Want For 24 Hours
Dad Said YES to EVERYTHING Kids Want For 24 Hours
26 gün önce
Saying YES to everything kids want for 24 hours!!! Crazy 24 hour 'YES' challenge with Karina and Ronald. You must watch and see what things Dad has to say ...
SIRI Picks Our Slime Ingredients Challenge!!!
SIRI Picks Our Slime Ingredients Challenge!!!
Aylar önce
Siri picks our slime ingredients! Who do you think will end up with a better slime? Karina or Ronald? #siripicksourslime #slimechallenge SIS vs BRO instagram ...
Twin Telepathy Milkshake Challenge!!
Twin Telepathy Milkshake Challenge!!
Aylar önce
Twin Telepathy Milkshake Challenge!!!!! We are using our telepathy skills (or luck?) to guess what ingredients the other person chose! The winner of the ...
No Bowl, No Spoon Slime Challenge!!!
No Bowl, No Spoon Slime Challenge!!!
Aylar önce
No Bowl or No Spoon Slime Challenge! Can we do it? We are using our mystery wheel to pick slime ingredients and then dump them on a table to mix with our ...
25 Things You Didn't Know About SIS vs BRO!!!
25 Things You Didn't Know About SIS vs BRO!!!
Aylar önce
Watch to the end if you are a SUPER FAN!!!! Here are 25 things you did not know about SIS vs BRO! We'll let you on some of our secrets, and reveal 25 things ...
Wearing Our Parents Clothes for 3 days!!!
Wearing Our Parents Clothes for 3 days!!!
Aylar önce
This is an ad for PopJam. Download PopJam for FREE by clicking on the following link: download.popjam.com/id/52222 . PopJam is available on the App ...
Testing Cat Toys on our Cats!!!!
Testing Cat Toys on our Cats!!!!
Aylar önce
We are testing cat toys on our cats! Now we have a new kitten in our house so we need more toys!!! Comment down below which toy is the best! Do you have a ...
Our Cats Pick Our Slime Ingredients Challenge!!!
Our Cats Pick Our Slime Ingredients Challenge!!!
Aylar önce
Our kittens pick our slime ingredients!!! This is a crazy challenge!! Comment down below who won the slime challenge! And leave a like for the cats for making ...
Twin Telepathy Cake Challenge!!!
Twin Telepathy Cake Challenge!!!
Aylar önce
Siblings use their telepathy to pick cake ingredients. If they guess what the other person picked, they get a point!!! Winner gets to try the delicious cake, and the ...
SIS vs BRO House Tour!
SIS vs BRO House Tour!
Aylar önce
We are finally doing our house tour of our new house with all the updates since last house tour and we will show you our recording studio where we record our ...
Making Slime in a BLENDER
Making Slime in a BLENDER
2 aylar önce
Karina and Ronald make slime in a blender. They use mystery wheel to pick slime ingredients and then dump them into a blender to mix. Who has better luck ...
Twin Telepathy Slime Challenge!!!
Twin Telepathy Slime Challenge!!!
2 aylar önce
Karina and Ronald use telepathy to try and figure out which slime ingredients the other person is choosing!!! Who do you think has better telepathy skills, and ...
Twin Telepathy Slime Challenge!!!!!
Twin Telepathy Slime Challenge!!!!!
2 aylar önce
Karina and Ronald do the Twin Telepathy challenge with slime ingredients, to see if they can pick the same ingredients to make their awesome slime!
Find Your Slime Ingredients Challenge!
Find Your Slime Ingredients Challenge!
2 aylar önce
Karina and Ronald search around the backyard for slime ingredients hidden in the gloves in 5 minutes! They are seeking the hidden gloves to mix their slime!
Meet Our New Kitten!!!!!
Meet Our New Kitten!!!!!
2 aylar önce
This our new kitten! He doesn't have a name yet!! What should we call him? He is the sweetest little guy that likes to cuddle and play all day! Keep your fingers ...
Find Your Slime Ingredients Challenge!!!
Find Your Slime Ingredients Challenge!!!
2 aylar önce
Karina and Ronald search around the house for slime ingredients hidden in the gloves and mix all the ingredients to make a slime! This is a race with a timer to ...
Mystery Box of Back to School Switch-Up Challenge!!! Part 2
Mystery Box of Back to School Switch-Up Challenge!!! Part 2
2 aylar önce
Its back-to-school and Karina and Ronald unbox their school supplies from mystery boxes. They take a little peek at the item and the other person has to decide ...
Catching Poop with our Dad Challenge!
Catching Poop with our Dad Challenge!
2 aylar önce
Thanks to Mattel for sponsoring this video. Click here to learn more: www.amazon.com/dp/B079KDNLQZ/ Karina, Ronald and Dad are catching Poop to ...
Don't Choose the Wrong Glove Slime Challenge!!!
Don't Choose the Wrong Glove Slime Challenge!!!
3 aylar önce
Karina and Ronald make slime with Gloves, choosing ingredients from mystery Gloves not knowing what is inside them!!! Vote below who won the challenge ...
Mystery Box of Back to School Switch-Up Challenge!!!
Mystery Box of Back to School Switch-Up Challenge!!!
3 aylar önce
Mystery Box of Back to School Supplies Challenge with a Switch-up twist!!! The Back to School season is on!! Let us know which is your favorite item for school ...
MYSTERY BOX of SLIME GLOVES CHALLENGE!!!
MYSTERY BOX of SLIME GLOVES CHALLENGE!!!
3 aylar önce
Karina and Ronald make slime by picking ingredients from gloves inside mystery boxes. They can keep-or-switch and comment down below who made a better ...
MYSTERY WHEEL OF SLIME GLOVES CHALLENGE!!!
MYSTERY WHEEL OF SLIME GLOVES CHALLENGE!!!
3 aylar önce
Karina and Ronald use gloves to make slime, and spin the mystery wheel to pick their slime ingredients from gloves!!! Watch how they snip gloves to get their ...
Last Thing on Our iPhone X!!!
Last Thing on Our iPhone X!!!
3 aylar önce
We are showing the last thing on our iPhone X!!!! What's the last photo we took and what's the last message we sent!!! SIS vs BRO instagram ...
Switching Clothes with my Brother!!!!  part 2
Switching Clothes with my Brother!!!! part 2
3 aylar önce
Part 2 of Switching Clothes with my Brother!!!! We are wearing each others clothes for one week!!!!!! This is the longest challenge we ever made! SIS vs BRO ...
Switching Clothes with my Brother!!!!
Switching Clothes with my Brother!!!!
3 aylar önce
Switching Clothes with my Brother!!!! We are wearing each others clothes for one week!!!!!! This is the longest challenge we ever made! SIS vs BRO instagram ...
3 Color Tie Dye Shirt Challenge!!!
3 Color Tie Dye Shirt Challenge!!!
4 aylar önce
We can only use 3 colors to tie dye our shirts, but we have to choose colors blindfolded. Let's see who can do a better Tie Dye shirt, Karina or Ronald? Vote for ...
3 COLOR OF HAIR DYE CHALLENGE!!!
3 COLOR OF HAIR DYE CHALLENGE!!!
4 aylar önce
SIS vs Bro instagram @ karina_vs_ronald Karina has a new instagram @ kurzawa_karina Ronald's new instagram @ ronaldkurzawa This is a crazy challenge ...
MYSTERY BOX SLIME SWITCH-UP CHALLENGE!!!
MYSTERY BOX SLIME SWITCH-UP CHALLENGE!!!
4 aylar önce
SIS vs Bro instagram @ karina_vs_ronald Karina has a new instagram @ kurzawa_karina Ronald's new instagram @ ronaldkurzawa We are doing the Mystery ...
3 MARKER SQUISHY CHALLENGE!!!
3 MARKER SQUISHY CHALLENGE!!!
4 aylar önce
This video is sponsored by Hotel Transylvania 3: Summer Vacation, in theaters July 13! For more details check out hotelt3.com/ Karina and Ronald choose ...
GOING ON SUMMER VACATION!!!
GOING ON SUMMER VACATION!!!
4 aylar önce
This video is sponsored by Hotel Transylvania 3: Summer Vacation, in theatres July 13! We are going on a epic summer vacation to see a special screening of ...
Tie Dye Backpack Challenge!
Tie Dye Backpack Challenge!
4 aylar önce
We are back with another Tie Dye Challenge!!! This time we are doing our backpacks that we want to use for school! Comment down below who did a better tie ...
3 COLOR TIE DYE CHALLENGE!!!!!
3 COLOR TIE DYE CHALLENGE!!!!!
4 aylar önce
3 Color Tie Dye Challenge!!! We can only use 3 colors of dye to make a shirt! Who do you think won???? Karina or Ronald? SIS vs BRO instagram ...
POOL IS LAVA CHALLENGE!!
POOL IS LAVA CHALLENGE!!
4 aylar önce
Pool is Lava Challenge!!!! Looser gets splashed with water balloons! Do you know who will it be? Hint hint watch Pool is Lava Part 1!
MEETING YOUTUBERS!!! WHAT REALLY HAPPENED AT VIDCON!!!
MEETING YOUTUBERS!!! WHAT REALLY HAPPENED AT VIDCON!!!
5 aylar önce
This is our first time going to VidCon and we really hope to meet our favourite yourubers!!! Which youtubers would you like to meet? This is how close we came ...
Going To USA!!!!
Going To USA!!!!
5 aylar önce
We are going to USA Los Angeles! Comment below if you know why we are going there!!! SIS vs BRO instagram @ sisvsbro_karina_ronald Karina has a new ...
WATER BALLOON CHALLENGE!!! BUNCH O BALLOONS
WATER BALLOON CHALLENGE!!! BUNCH O BALLOONS
5 aylar önce
Thanks to Zuru for sponsoring this Video. Karina and Ronald do summer water balloon challenges and have the ultimate Bunch O Balloons water fight.
Mystery Wheel of Slime Switch-Up Challenge!!!
Mystery Wheel of Slime Switch-Up Challenge!!!
5 aylar önce
Slime Switch-Up with a twist! Who made a better slime? Comment down below if Karina or Ronald did a better Slime. SIS vs BRO instagram ...
MAKING GIANT SLIME BUBBLES!!!!
MAKING GIANT SLIME BUBBLES!!!!
5 aylar önce
6 Colors of glue slime challenge ends in epic giant bubbles! Comment who made a better slime, Karina or Ronald? SIS vs BRO instagram ...
Mystery Wheel of Slime Switch Up Challenge!
Mystery Wheel of Slime Switch Up Challenge!
5 aylar önce
We are making slime using mystery wheel to pick ingredients! There is a SWITCH UP option which can change everything! Let's see who makes a better slime.
3 Colors of Glue Slime Challenge!!! New Colors!!!
3 Colors of Glue Slime Challenge!!! New Colors!!!
5 aylar önce
We are doing another 3 colors of glue slime challenge but this time we have new colors including GLOW IN THE DARK!!!! Comment down below who did better ...
Who Knows Ronald Better?!? KARINA vs DAD
Who Knows Ronald Better?!? KARINA vs DAD
5 aylar önce
Karina and Dad go head to head to see who knows Ronald better! Ronald has some tricky questions for them. Who do you think won? Our new instagram!
OUTFIT SHOPPING CHALLENGE!!!! ANY STORE / NO BUDGET
OUTFIT SHOPPING CHALLENGE!!!! ANY STORE / NO BUDGET
5 aylar önce
We are buying 3 complete outfits from any store we want including shoes and accessories and you guys are the judges on who is a better fashionista!!! So who ...
3 Colors of Glue Slime Challenge! PART 2!!!
3 Colors of Glue Slime Challenge! PART 2!!!
6 aylar önce
3 Colors of Glue Slime Challenge!!! PART 2!!! We are mixing 3 colors of glue to make slime! It may turn out to be a nice slime or a bad one!!! Comment down ...
MYSTERY WHEEL OF ICE CREAM SUNDAE CHALLENGE!!
MYSTERY WHEEL OF ICE CREAM SUNDAE CHALLENGE!!
6 aylar önce
We are back with another mystery wheel challenge!!! You guys know how much we love ice cream and chocolate so today we are trying to make the best ice ...
3 Colors of Glue Slime Challenge!!!
3 Colors of Glue Slime Challenge!!!
6 aylar önce
3 Colors of Glue Slime Challenge!!! We are picking blindfolded 3 colors of glue and mix them to make a slime!! It might be a nice slime or it might be a bad one!