10 Second Challenge! (Haschak Sisters)
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10 Second Challenge! (Haschak Sisters)
6.3M viewsSep 2, 2016
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MOUTHGUARD CHALLENGE!!! (MattyBRaps vs Olivia Haschak)
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Don't Break The Ice! (MattyBRaps vs Olivia Haschak)
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Don't Break The Ice! (MattyBRaps vs Olivia Haschak)
26.7M viewsSep 16, 2016
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The Jelly Bean Challenge! (MattyBRaps vs Haschak Sisters)
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1.9M viewsFeb 14, 2016
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Not My Arms Challenge (MattyBRaps vs Haschak Sisters)
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Animal Challenge! (MattyBRaps & Haschak Sisters)
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4.9M viewsFeb 24, 2016
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MattyBRaps Reacts - When A Girl Likes A Boy (Haschak Sisters)
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Haschak Sisters REACT to "Heroes" by MattyBRaps
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MattyBRaps REACTS to "Perfect For Me" by Haschak Sisters
6.1M viewsMar 8, 2019
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Surprise SLIME For My Girlfriend (MattyBRaps & Olivia Haschak)
13M viewsSep 8, 2017
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Try Not To Flinch CHALLENGE!!! (Haschak Sisters)
1.7M viewsNov 2, 2018
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LIVE Stream Study Hall Q&A (MattyBRaps & Haschak Sisters)
2.3M viewsAug 17, 2016
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MattyBRaps - Story of Our Lives (REACT feat Haschak Sisters)
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Weird Food Challenge! (MattyBRaps, Sierra Haschak & Liv!)
2.7M viewsSep 9, 2016
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Do We Have Boyfriends!? (Haschak Sisters vs MattyBRaps)
7.2M viewsApr 14, 2017
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MattyBRaps REACTS to "HUSH" by Haschak Sisters
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2017 New Years Resolutions! (MattyBRaps vs Haschak Sisters)
1.3M viewsJan 13, 2017
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Guess That Song Challenge + BIG Announcement! (Haschak Sisters)
5.6M viewsMar 16, 2018
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Trying Weird Food Combinations That People Actually Love (Haschak Sisters)
2.3M viewsAug 11, 2017
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Kinetic Sand Challenge! (Haschak Sisters)
2.3M viewsJun 16, 2017
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The Sister Quiz! (Haschak Sisters)
12.5M viewsMay 27, 2016
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GROSS Canned Food Challenge! (Haschak Sisters)
2.8M viewsJul 15, 2016
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MattyBRaps Reacts: Nah Nah Nah (Haschak Sisters)
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Don't You Remember? Challenge
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Copying the Haschak Sisters Instagram Photos!
4.1M viewsMay 25, 2018
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The Starbucks Challenge! (Haschak Sisters)
4.6M viewsJul 9, 2016
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Mystery Drink Challenge! (MattyBRaps vs Sierra Haschak)
14.3M viewsAug 19, 2016
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Pop-Tart Challenge (Haschak Sisters)
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Can Haschak Sisters Remember Their Own Lyrics!? (Round 3)
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