Halloween 16 hours ago Why exactly do we celebrate Halloween? NBC10’s Matt DeLucia digs deep into ghostly matters to uncover how Halloween came to the United States. It all started in ancient Ireland. US & World Videos 0:48 What's the right way to eat a KitKat bar? 3:43 NBC10 Morning New team channels breakfast for Halloween costumes 0:37 M&M's unleashes Halloween rescue squad in Philadelphia 4:01 Harvest for Hunger: Cathedral Kitchen's mission to help feed the hungry 0:30 Campbell's gets in the holiday candle game. Check out the side-inspired scents