Reacting to Our Craziest SIS vs BRO Slime Challenge from 5 Years Ago

Aiden Starling

Updated Sunday, June 30, 2024 at 12:00 AM CDT

Karina and Ronald, the dynamic sibling duo behind the wildly popular YouTube channel SIS vs BRO, take a nostalgic trip down memory lane by reacting to their most-watched video from five years ago. The video features a comical blindfolded slime challenge that had their viewers in stitches!

The siblings haven't revisited this old favorite in years, and even they are fuzzy on the details. Karina exclaims with a mix of excitement and trepidation, "I don't even know what it's about, I cannot remember anything we filmed!"

As the video plays, it's clear why this challenge became such a hit. Ronald's blindfold mishap is a standout moment. "His blindfolds were upside down and he totally stayed in theme—everything was blue, no other colors, just blue!" Karina recalls, laughing.

The banter between Karina and Ronald is as entertaining as ever. Ronald accuses Karina of cheating, to which she cheekily retorts, "I cheat with style!" The sibling rivalry is palpable and adds an extra layer of fun to the video.

The challenge involves creating slime while blindfolded, relying solely on their sense of touch to find ingredients like glue, glitter glue, activator, glitter, and food coloring. "We're going to be using our feeling senses to feel our ingredients," Karina explains, setting the stage for some messy fun.

As they watch their younger selves, both are amused and slightly embarrassed by their antics. Karina even pokes fun at Ronald's quirky behavior and his infamous "popcorn shirt."

Relive the fun and chaos of the SIS vs BRO slime challenge and see why it remains one of their most beloved videos. Watch Karina and Ronald's full reaction to this classic SIS vs BRO moment and get ready for some nostalgic laughs!

For the full experience, catch the video and join Karina and Ronald as they react to their comical past.

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View source: YouTube

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