Boo! It’s a new, very special episode of Ask A Mortician. Our favorite mortician, Caitlin Doughty, explains the morbid origins of Halloween. And by the by — Salon recently published a profile of Caitlin, in which she says:

"I take my job and this whole movement incredibly seriously. I do [the videos] with a sense of humor, but it's my life, and it's really important to me that a positive death message gets across."

You can follow Caitlin on Twitter and visit Order Of The Good Death for more.