Brothers Convince Sister of Zombie Apocalypse

These brothers get the whole family in on the prank. They convince their little sister that they’re in the middle of a zombie apocalypse. How do they do it? Well, it helps that their sister is coming out of sedation after dental surgery.

So, are they hilarious or totally mean? The video conveniently ends before their sister really reacts to learning it has all been a prank. How would you have reacted?