Black Burger, Green Poop: Why Halloween Whopper Has Odd Effect The sandwich packs a spooky surprise: Eating it can turn your poop green. Friday, October 9th 2015, 2:39 pm.

The scariest part of Burger King’s Halloween Whopper doesn’t happen until after you eat it. Something in the burger’s pitch-black bun turns eaters’ poop a ghastly bright green ...

Halloween is just around the corner, and to celebrate, Burger King has introduced a black-bunned Whopper with A1 streak sauce in the United States. But it turns out that this special treat comes ...

MIAMI (CBSMiami) -- Have you taken on a walk on the dark side yet with Burger King's A1 Halloween Whopper? If you have, you may have noticed that while the seasonal black-bunned burger goes in one ...

It’s a big month for people who love novelty foods: In addition to a staggering spectrum of candy, October has also ushered in Burger King’s #HalloweenWhopper—their signature burger, but ...

Burger King's new Halloween-themed Whopper is causing a lot of kerfuffle on the Internet, and for good reason: Apparently, the special black bun turns your poop bright green. We've reached out to ...

Burger King recently introduced the Halloween Whopper to its menu, which is a Whopper sandwich with a black bun. It was supposed to be a Halloween trick, but it turned out to be more of a plug for ...

If you don’t mind getting your hands dirty for Oct. 31, HalloweenCostumes.com has an idea that will make you the messiest, yet possibly sexiest patron at your local Halloween party. It’s a ...

The bun on Burger King's new Halloween Whopper might be black, but it'll have you seeing green on the other side of that experience. 24/7 Live Los Angeles Orange County Inland Empire Ventura ...

Burger King's new black 'Halloween Whopper' burger will turn your poop 'green.' People who dined at the fast food joint and ate the 'black bun' Halloween Whopper have claimed that the burger has ...

The bun on Burger King's new Halloween Whopper might be black, but it'll have you seeing green on the other side of that experience. 24/7 Live San Francisco East Bay South Bay Peninsula North Bay.