What in the world does Guy Raz's new micro house have in common with a tree hollow for vampire bats? And how in the world can humans learn about sharing from these blood slurping, flying mammals? And why in the world are they barfing into each other's mouths?! Join Mindy, Guy Raz, and the rest of their "colony" as they uncover these answers and more! It's the Who, What, When, Where, Why, How, and Wow in the World of Vampire Bats! Originally aired 4/20/20