WATCH: Fallon Celebrates 20M YouTube Subscribers With Wild Dominoes Demo

To me, 20 million subscribers to anything seems huge. The Tonight Show with Jimmy Fallon hit that milestone on YouTube, and Jimmy notes the achievement with a dominoes set up that resembles one of those "Rube Goldberg" contraptions. It's pretty amazing and intricate, including 20 thousand dominoes. Once you see that, you will realize that THAT'S a lot of dominoes!

 

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