Jimmy Kimmel challenged kids to a brand new Father's Day prank this year, and this time, the response was actually quite surprising.
The comedian asked kids around the world to sneak up on their dad, and yell "I Love You Dad" as loudly as possible.
Kimmel said the show received hundreds of videos, and they compiled the best ones for a collection of hilarious moments (above).
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View StorySome fathers in the video were clearly startled, others phenomenally surprised, and some were just plain pissed off.
A lot of cursing happened, too. "You're f-cking kidding me," one angry dad said and another asked, "C'mon a--hole, what the f-ck is wrong with you?"
